Star
Reading
Summary
Star Reading is a computer-adaptive, interim assessment of reading comprehension and overall reading achievement for students in grades 1 through 12. The tool provides information on student performance in 46 reading skill areas in 11 domains.
- Where to Obtain:
- Renaissance Learning
- answers@renaissance.com
- Renaissance Learning, PO Box 8036, Wisconsin Rapids, WI 54495
- (800) 338-4204
- http://www.renaissance.com
- Initial Cost:
- Contact vendor for pricing details.
- Replacement Cost:
- Contact vendor for pricing details.
- Included in Cost:
- There is a one-time setup fee along with a per student subscription fee. Total cost will depend on the number of schools and students. Please contact: answers@renaissance.com or (800) 338-4204 for specific details on pricing for your district. Star Reading is cloud-based and purchase includes the tool, software/technical manual, installation guide, testing instructions, and remote installation and setup.
- Star Reading is a computer-adaptive assessment, and the difficulty of items presented is adjusted automatically to reflect the skill level of the student. Students may use the keyboard or the mouse, accommodating students with limited motor skills. Star Reading offers several accommodations for students with disabilities through the accessibility options built into a computer's operating system. For students with limited vision, the introductory screens of Star Reading respond to the "high contrast" accessibility feature within Windows and the "switch to black and white" accessibility feature in Mac OS. The assessment screens within Star Reading already provide visual contrast through a yellow background and black writing. Furthermore, Star Reading is compatible with Mac’s "zoom in" accessibility feature, which allows users to magnify nearly all Star Reading screens
- Training Requirements:
- Less than 1 hour of training
- Qualified Administrators:
- No minimum qualifications specified.
- Access to Technical Support:
- Renaissance Technical Support Staff
- Assessment Format:
-
- Direct: Computerized
- Other: Group administered
- Scoring Time:
-
- Scoring is automatic
- Scores Generated:
-
- Percentile score
- Grade equivalents
- IRT-based score
- Normal curve equivalents
- Equated
- Lexile score
- Other: Instructional Reading Level, scale score
- Administration Time:
-
- 18 minutes per student/group
- Scoring Method:
-
- Automatically (computer-scored)
- Technology Requirements:
-
- Computer or tablet
- Internet connection
- Accommodations:
- Star Reading is a computer-adaptive assessment, and the difficulty of items presented is adjusted automatically to reflect the skill level of the student. Students may use the keyboard or the mouse, accommodating students with limited motor skills. Star Reading offers several accommodations for students with disabilities through the accessibility options built into a computer's operating system. For students with limited vision, the introductory screens of Star Reading respond to the "high contrast" accessibility feature within Windows and the "switch to black and white" accessibility feature in Mac OS. The assessment screens within Star Reading already provide visual contrast through a yellow background and black writing. Furthermore, Star Reading is compatible with Mac’s "zoom in" accessibility feature, which allows users to magnify nearly all Star Reading screens
Descriptive Information
- Please provide a description of your tool:
- Star Reading is a computer-adaptive, interim assessment of reading comprehension and overall reading achievement for students in grades 1 through 12. The tool provides information on student performance in 46 reading skill areas in 11 domains.
ACADEMIC ONLY: What skills does the tool screen?
- Please describe specific domain, skills or subtests:
- BEHAVIOR ONLY: Which category of behaviors does your tool target?
-
- BEHAVIOR ONLY: Please identify which broad domain(s)/construct(s) are measured by your tool and define each sub-domain or sub-construct.
Acquisition and Cost Information
Administration
- Are norms available?
- Yes
- Are benchmarks available?
- Yes
- If yes, how many benchmarks per year?
- Unlimited
- If yes, for which months are benchmarks available?
- All
- BEHAVIOR ONLY: Can students be rated concurrently by one administrator?
- If yes, how many students can be rated concurrently?
Training & Scoring
Training
- Is training for the administrator required?
- Yes
- Describe the time required for administrator training, if applicable:
- Less than 1 hour of training
- Please describe the minimum qualifications an administrator must possess.
- No minimum qualifications
- Are training manuals and materials available?
- Yes
- Are training manuals/materials field-tested?
- Yes
- Are training manuals/materials included in cost of tools?
- Yes
- If No, please describe training costs:
- Can users obtain ongoing professional and technical support?
- Yes
- If Yes, please describe how users can obtain support:
- Renaissance Technical Support Staff
Scoring
- Do you provide basis for calculating performance level scores?
-
Yes
- Does your tool include decision rules?
- If yes, please describe.
- Can you provide evidence in support of multiple decision rules?
-
No
- If yes, please describe.
- Please describe the scoring structure. Provide relevant details such as the scoring format, the number of items overall, the number of items per subscale, what the cluster/composite score comprises, and how raw scores are calculated.
- All scores are calculated automatically by the software. The software calculates a maximum likelihood Rasch ability estimate based on the calibrated difficulty of the items that were administered to the student, and the pattern of the student’s right and wrong responses to those items. Star Reading uses a proprietary, Rasch-based, 1-parameter logistic response model to calculate scores. The scaled score is a non-linear, monotonic transformation of the Rasch ability estimate resulting from the adaptive test. From the scaled scores and the student’s current grade placement are derived grade equivalent, percentile, and normal curve equivalent scores. No clusters, composite, or raw scores are reported.
- Describe the tool’s approach to screening, samples (if applicable), and/or test format, including steps taken to ensure that it is appropriate for use with culturally and linguistically diverse populations and students with disabilities.
- Star Reading is trusted by tens of thousands of schools to efficiently screen and monitoring student progress in general reading achievement from grades 1 through 12. Both criterion- and norm-referenced scores are automatically reported to help teachers make a variety of instructional decisions. The choice to adopt a computer adaptive format was driven by a demand for efficiency and protecting instructional time, standardizing administration and scoring and avoiding threats to reliability, and ability to dynamically adapt the instrument to each student in real time to appropriately match their current level of proficiency. Reports and dashboards guide educators through screening and related decisions. Default risk categories, based on national norms, are provided, although they can be adjusted by local school leaders to best fit local populations. Additionally, projections to state summative and other high stakes tests such as ACT and SAT are provided to inform screening decisions. During Star Reading item development, every effort is made to avoid the use of stereotypes, potentially offensive language or characterizations, and descriptions of people or events that could be construed as being offensive, demeaning, patronizing, or otherwise insensitive. The editing process also includes a strict sensitivity review of all items to attend to issues of gender and ethnic-group balance and fairness. DIF analyses are conducted to ensure the items function equally well for diverse subgroups.
Technical Standards
Classification Accuracy & Cross-Validation Summary
Grade |
Grade 1
|
Grade 2
|
Grade 3
|
Grade 4
|
Grade 5
|
Grade 6
|
Grade 7
|
Grade 8
|
Grade 9
|
Grade 10
|
Grade 11
|
---|---|---|---|---|---|---|---|---|---|---|---|
Classification Accuracy Fall | |||||||||||
Classification Accuracy Winter | |||||||||||
Classification Accuracy Spring |
PARCC Reading
Classification Accuracy
- Describe the criterion (outcome) measure(s) including the degree to which it/they is/are independent from the screening measure.
- The PARCC assessment is an external outcome measure administered at least 90 days after each student’s Star assessment.
- Describe when screening and criterion measures were administered and provide a justification for why the method(s) you chose (concurrent and/or predictive) is/are appropriate for your tool.
- Describe how the classification analyses were performed and cut-points determined. Describe how the cut points align with students at-risk. Please indicate which groups were contrasted in your analyses (e.g., low risk students versus high risk students, low risk students versus moderate risk students).
- The Star cut-point for students at risk was determined to be at the 25th percentile of Star scores. This point aligns with students in need of intervention, as indicated in Star default benchmarks. Students scoring below the 25th percentile were placed into the at-risk category and students scoring above the 25th percentile were placed into the no-risk category. Consistent with the TRC guidelines, we selected the 20th PR on the outcome measure as the point aligned with students in need of intensive intervention.
- Were the children in the study/studies involved in an intervention in addition to typical classroom instruction between the screening measure and outcome assessment?
-
No
- If yes, please describe the intervention, what children received the intervention, and how they were chosen.
Cross-Validation
- Has a cross-validation study been conducted?
-
Yes
- If yes,
- Describe the criterion (outcome) measure(s) including the degree to which it/they is/are independent from the screening measure.
- The PARCC ELA assessment is an external outcome measure administered at least 90 days after each student’s Star assessment.
- Describe when screening and criterion measures were administered and provide a justification for why the method(s) you chose (concurrent and/or predictive) is/are appropriate for your tool.
- Describe how the cross-validation analyses were performed and cut-points determined. Describe how the cut points align with students at-risk. Please indicate which groups were contrasted in your analyses (e.g., low risk students versus high risk students, low risk students versus moderate risk students).
- The Star cut-point for students at risk was determined to be at the 25th percentile of Star scores. This point aligns with students in need of intervention, as indicated in Star default benchmarks. Students scoring below the 25th percentile were placed into the at-risk category and students scoring above the 25th percentile were placed into the no-risk category. Consistent with the TRC guidelines, we selected the 20th PR on the outcome measure as the point aligned with students in need of intensive intervention.
- Were the children in the study/studies involved in an intervention in addition to typical classroom instruction between the screening measure and outcome assessment?
-
No
- If yes, please describe the intervention, what children received the intervention, and how they were chosen.
Smarter Balanced ELA / Literacy
Classification Accuracy
- Describe the criterion (outcome) measure(s) including the degree to which it/they is/are independent from the screening measure.
- The Smarter Balanced ELA/Literacy assessment is an external outcome measure administered outside of the Star suite of assessments. The Smarter Balanced ELA/Literacy assessment is an end-of-year summative test administered by states in the spring.
- Describe when screening and criterion measures were administered and provide a justification for why the method(s) you chose (concurrent and/or predictive) is/are appropriate for your tool.
- Describe how the classification analyses were performed and cut-points determined. Describe how the cut points align with students at-risk. Please indicate which groups were contrasted in your analyses (e.g., low risk students versus high risk students, low risk students versus moderate risk students).
- A ROC analysis was used to compare the performance on Star to performance on the criterion measure. Selection of Star cut scores was based on striking an optimal balance between specificity and sensitivity when classifying students as “at risk”. For these analyses, students scoring below the Star cut score are classified as “high risk” and students scoring at or above the Star cut score are classified as “low risk”. Students scoring below the 20th percentile on the criterion measure are considered to be “actually at risk” and students scoring at or above the 20th percentile on the criterion measure are considered to be “actually not at risk”. As a result, students classified as “at risk” on Star and are considered to be “actually at risk” represent a true positive. Students classified as “at risk” on Star, but are “actually not at risk” represent a false positive. Students classified as “not at risk” on Star, but are “actually at risk” represent a false negative. Students classified as “not at risk” on Star and are “actually not at risk” represent a true negative.
- Were the children in the study/studies involved in an intervention in addition to typical classroom instruction between the screening measure and outcome assessment?
-
No
- If yes, please describe the intervention, what children received the intervention, and how they were chosen.
Cross-Validation
- Has a cross-validation study been conducted?
-
Yes
- If yes,
- Describe the criterion (outcome) measure(s) including the degree to which it/they is/are independent from the screening measure.
- The Smarter Balanced ELA/Literacy assessment is an external outcome measure administered outside of the Star suite of assessments. The Smarter Balanced ELA/Literacy assessment is an end-of-year summative test administered by states in the spring.
- Describe when screening and criterion measures were administered and provide a justification for why the method(s) you chose (concurrent and/or predictive) is/are appropriate for your tool.
- Describe how the cross-validation analyses were performed and cut-points determined. Describe how the cut points align with students at-risk. Please indicate which groups were contrasted in your analyses (e.g., low risk students versus high risk students, low risk students versus moderate risk students).
- For the cross-validation analyses, students scoring below the Star cut score determined from the Classification Accuracy analysis are classified as “high risk” and students scoring at or above the Star cut score are classified as “low risk”. Students scoring below the 20th percentile on the criterion measure are considered to be “actually at risk” and students scoring at or above the 20th percentile on the criterion measure are considered to be “actually not at risk”. As a result, students classified as “at risk” on Star and are considered to be “actually at risk” represent a true positive. Students classified as “at risk” on Star, but are “actually not at risk” represent a false positive. Students classified as “not at risk” on Star, but are “actually at risk” represent a false negative. Students classified as “not at risk” on Star and are “actually not at risk” represent a true negative.
- Were the children in the study/studies involved in an intervention in addition to typical classroom instruction between the screening measure and outcome assessment?
-
No
- If yes, please describe the intervention, what children received the intervention, and how they were chosen.
SAT Evidence Based Reading and Writing (ERW)
Classification Accuracy
- Describe the criterion (outcome) measure(s) including the degree to which it/they is/are independent from the screening measure.
- The SAT Evidence-Based Reading and Writing test (ERW) is an external outcome measure administered outside of the Star suite of assessments. The SAT ERW assessment is a college-and-career readiness assessment of reading, writing, and language developed by the College Board.
- Describe when screening and criterion measures were administered and provide a justification for why the method(s) you chose (concurrent and/or predictive) is/are appropriate for your tool.
- Describe how the classification analyses were performed and cut-points determined. Describe how the cut points align with students at-risk. Please indicate which groups were contrasted in your analyses (e.g., low risk students versus high risk students, low risk students versus moderate risk students).
- A ROC analysis was used to compare the performance on Star to performance on the criterion measure. Selection of Star cut scores was based on striking an optimal balance between specificity and sensitivity when classifying students as “at risk”. For these analyses, students scoring below the Star cut score are classified as “high risk” and students scoring at or above the Star cut score are classified as “low risk”. Students scoring below the 20th percentile on the criterion measure are considered to be “actually at risk” and students scoring at or above the 20th percentile on the criterion measure are considered to be “actually not at risk”. As a result, students classified as “at risk” on Star and are considered to be “actually at risk” represent a true positive. Students classified as “at risk” on Star, but are “actually not at risk” represent a false positive. Students classified as “not at risk” on Star, but are “actually at risk” represent a false negative. Students classified as “not at risk” on Star and are “actually not at risk” represent a true negative.
- Were the children in the study/studies involved in an intervention in addition to typical classroom instruction between the screening measure and outcome assessment?
-
No
- If yes, please describe the intervention, what children received the intervention, and how they were chosen.
Cross-Validation
- Has a cross-validation study been conducted?
-
Yes
- If yes,
- Describe the criterion (outcome) measure(s) including the degree to which it/they is/are independent from the screening measure.
- The SAT Evidence-Based Reading and Writing test (ERW) is an external outcome measure administered outside of the Star suite of assessments. The SAT ERW assessment is a college-and-career readiness assessment of reading, writing, and language developed by the College Board.
- Describe when screening and criterion measures were administered and provide a justification for why the method(s) you chose (concurrent and/or predictive) is/are appropriate for your tool.
- Describe how the cross-validation analyses were performed and cut-points determined. Describe how the cut points align with students at-risk. Please indicate which groups were contrasted in your analyses (e.g., low risk students versus high risk students, low risk students versus moderate risk students).
- For the cross-validation analyses, students scoring below the Star cut score determined from the Classification Accuracy analysis are classified as “high risk” and students scoring at or above the Star cut score are classified as “low risk”. Students scoring below the 20th percentile on the criterion measure are considered to be “actually at risk” and students scoring at or above the 20th percentile on the criterion measure are considered to be “actually not at risk”. As a result, students classified as “at risk” on Star and are considered to be “actually at risk” represent a true positive. Students classified as “at risk” on Star, but are “actually not at risk” represent a false positive. Students classified as “not at risk” on Star, but are “actually at risk” represent a false negative. Students classified as “not at risk” on Star and are “actually not at risk” represent a true negative.
- Were the children in the study/studies involved in an intervention in addition to typical classroom instruction between the screening measure and outcome assessment?
-
No
- If yes, please describe the intervention, what children received the intervention, and how they were chosen.
Galileo Early Literacy assessment
Classification Accuracy
- Describe the criterion (outcome) measure(s) including the degree to which it/they is/are independent from the screening measure.
- The Galileo Early Literacy assessment is an external measure administered outside of the Star suite of assessments. The Galileo assessments are published by Assessment Technology Incorporated and can be administered at any point throughout the school year as individual districts choose.
- Describe when screening and criterion measures were administered and provide a justification for why the method(s) you chose (concurrent and/or predictive) is/are appropriate for your tool.
- Describe how the classification analyses were performed and cut-points determined. Describe how the cut points align with students at-risk. Please indicate which groups were contrasted in your analyses (e.g., low risk students versus high risk students, low risk students versus moderate risk students).
- A ROC analysis was used to compare the performance on Star to performance on the criterion measure. Selection of Star cut scores was based on striking an optimal balance between specificity and sensitivity when classifying students as “at risk”. For these analyses, students scoring below the Star cut score are classified as “high risk” and students scoring at or above the Star cut score are classified as “low risk”. Students scoring below the 20th percentile on the criterion measure are considered to be “actually at risk” and students scoring at or above the 20th percentile on the criterion measure are considered to be “actually not at risk”. As a result, students classified as “at risk” on Star and are considered to be “actually at risk” represent a true positive. Students classified as “at risk” on Star, but are “actually not at risk” represent a false positive. Students classified as “not at risk” on Star, but are “actually at risk” represent a false negative. Students classified as “not at risk” on Star and are “actually not at risk” represent a true negative.
- Were the children in the study/studies involved in an intervention in addition to typical classroom instruction between the screening measure and outcome assessment?
-
No
- If yes, please describe the intervention, what children received the intervention, and how they were chosen.
Cross-Validation
- Has a cross-validation study been conducted?
-
Yes
- If yes,
- Describe the criterion (outcome) measure(s) including the degree to which it/they is/are independent from the screening measure.
- The Galileo Early Literacy assessment is an external measure administered outside of the Star suite of assessments. The Galileo assessments can be administered at any point throughout the school year.
- Describe when screening and criterion measures were administered and provide a justification for why the method(s) you chose (concurrent and/or predictive) is/are appropriate for your tool.
- Describe how the cross-validation analyses were performed and cut-points determined. Describe how the cut points align with students at-risk. Please indicate which groups were contrasted in your analyses (e.g., low risk students versus high risk students, low risk students versus moderate risk students).
- A ROC analysis was used to compare the performance on Star to performance on the criterion measure. Selection of Star cut scores was based on striking an optimal balance between specificity and sensitivity when classifying students as “at risk”. For these analyses, students scoring below the Star cut score are classified as “high risk” and students scoring at or above the Star cut score are classified as “low risk”. Students scoring below the 20th percentile on the criterion measure are considered to be “actually at risk” and students scoring at or above the 20th percentile on the criterion measure are considered to be “actually not at risk”. As a result, students classified as “at risk” on Star and are considered to be “actually at risk” represent a true positive. Students classified as “at risk” on Star, but are “actually not at risk” represent a false positive. Students classified as “not at risk” on Star, but are “actually at risk” represent a false negative. Students classified as “not at risk” on Star and are “actually not at risk” represent a true negative.
- Were the children in the study/studies involved in an intervention in addition to typical classroom instruction between the screening measure and outcome assessment?
-
No
- If yes, please describe the intervention, what children received the intervention, and how they were chosen.
Florida Standards Assessment (FSA) for English language arts
Classification Accuracy
- Describe the criterion (outcome) measure(s) including the degree to which it/they is/are independent from the screening measure.
- Florida Standards Assessment (FSA) for English language arts is an external outcome measure administered outside of the Star suite of assessments. Florida Standards Assessment (FSA) for English language arts is an end-of-year summative test administered by the Florida DOE in the spring.
- Describe when screening and criterion measures were administered and provide a justification for why the method(s) you chose (concurrent and/or predictive) is/are appropriate for your tool.
- Describe how the classification analyses were performed and cut-points determined. Describe how the cut points align with students at-risk. Please indicate which groups were contrasted in your analyses (e.g., low risk students versus high risk students, low risk students versus moderate risk students).
- A ROC analysis was used to compare the performance on Star to performance on the criterion measure. Selection of Star cut scores was based on striking an optimal balance between specificity and sensitivity when classifying students as “at risk”. For these analyses, students scoring below the Star cut score are classified as “high risk” and students scoring at or above the Star cut score are classified as “low risk”. Students scoring below the 20th percentile on the criterion measure are considered to be “actually at risk” and students scoring at or above the 20th percentile on the criterion measure are considered to be “actually not at risk”. As a result, students classified as “at risk” on Star and are considered to be “actually at risk” represent a true positive. Students classified as “at risk” on Star, but are “actually not at risk” represent a false positive. Students classified as “not at risk” on Star, but are “actually at risk” represent a false negative. Students classified as “not at risk” on Star and are “actually not at risk” represent a true negative.
- Were the children in the study/studies involved in an intervention in addition to typical classroom instruction between the screening measure and outcome assessment?
-
No
- If yes, please describe the intervention, what children received the intervention, and how they were chosen.
Cross-Validation
- Has a cross-validation study been conducted?
-
Yes
- If yes,
- Describe the criterion (outcome) measure(s) including the degree to which it/they is/are independent from the screening measure.
- Florida Standards Assessment (FSA) for English language arts is an external outcome measure administered outside of the Star suite of assessments. Florida Standards Assessment (FSA) for English language arts is an end-of-year summative test administered by the Florida DOE in the spring.
- Describe when screening and criterion measures were administered and provide a justification for why the method(s) you chose (concurrent and/or predictive) is/are appropriate for your tool.
- Describe how the cross-validation analyses were performed and cut-points determined. Describe how the cut points align with students at-risk. Please indicate which groups were contrasted in your analyses (e.g., low risk students versus high risk students, low risk students versus moderate risk students).
- For the cross-validation analyses, students scoring below the Star cut score determined from the Classification Accuracy analysis are classified as “high risk” and students scoring at or above the Star cut score are classified as “low risk”. Students scoring below the 20th percentile on the criterion measure are considered to be “actually at risk” and students scoring at or above the 20th percentile on the criterion measure are considered to be “actually not at risk”. As a result, students classified as “at risk” on Star and are considered to be “actually at risk” represent a true positive. Students classified as “at risk” on Star, but are “actually not at risk” represent a false positive. Students classified as “not at risk” on Star, but are “actually at risk” represent a false negative. Students classified as “not at risk” on Star and are “actually not at risk” represent a true negative.
- Were the children in the study/studies involved in an intervention in addition to typical classroom instruction between the screening measure and outcome assessment?
-
No
- If yes, please describe the intervention, what children received the intervention, and how they were chosen.
DIBELS ORF
Classification Accuracy
- Describe the criterion (outcome) measure(s) including the degree to which it/they is/are independent from the screening measure.
- DIBELS is an external outcome measure administered outside of the Star suite of assessments.
- Describe when screening and criterion measures were administered and provide a justification for why the method(s) you chose (concurrent and/or predictive) is/are appropriate for your tool.
- Describe how the classification analyses were performed and cut-points determined. Describe how the cut points align with students at-risk. Please indicate which groups were contrasted in your analyses (e.g., low risk students versus high risk students, low risk students versus moderate risk students).
- A ROC analysis was used to compare the performance on Star to performance on the criterion measure. Selection of Star cut scores was based on striking an optimal balance between specificity and sensitivity when classifying students as “at risk”. For these analyses, students scoring below the Star cut score are classified as “high risk” and students scoring at or above the Star cut score are classified as “low risk”. Students scoring below the 20th percentile on the criterion measure are considered to be “actually at risk” and students scoring at or above the 20th percentile on the criterion measure are considered to be “actually not at risk”. As a result, students classified as “at risk” on Star and are considered to be “actually at risk” represent a true positive. Students classified as “at risk” on Star, but are “actually not at risk” represent a false positive. Students classified as “not at risk” on Star, but are “actually at risk” represent a false negative. Students classified as “not at risk” on Star and are “actually not at risk” represent a true negative.
- Were the children in the study/studies involved in an intervention in addition to typical classroom instruction between the screening measure and outcome assessment?
-
No
- If yes, please describe the intervention, what children received the intervention, and how they were chosen.
Cross-Validation
- Has a cross-validation study been conducted?
-
Yes
- If yes,
- Describe the criterion (outcome) measure(s) including the degree to which it/they is/are independent from the screening measure.
- DIBELS is an external outcome measure administered outside of the Star suite of assessments.
- Describe when screening and criterion measures were administered and provide a justification for why the method(s) you chose (concurrent and/or predictive) is/are appropriate for your tool.
- Describe how the cross-validation analyses were performed and cut-points determined. Describe how the cut points align with students at-risk. Please indicate which groups were contrasted in your analyses (e.g., low risk students versus high risk students, low risk students versus moderate risk students).
- For the cross-validation analyses, students scoring below the Star cut score determined from the Classification Accuracy analysis are classified as “high risk” and students scoring at or above the Star cut score are classified as “low risk”. Students scoring below the 20th percentile on the criterion measure are considered to be “actually at risk” and students scoring at or above the 20th percentile on the criterion measure are considered to be “actually not at risk”. As a result, students classified as “at risk” on Star and are considered to be “actually at risk” represent a true positive. Students classified as “at risk” on Star, but are “actually not at risk” represent a false positive. Students classified as “not at risk” on Star, but are “actually at risk” represent a false negative. Students classified as “not at risk” on Star and are “actually not at risk” represent a true negative.
- Were the children in the study/studies involved in an intervention in addition to typical classroom instruction between the screening measure and outcome assessment?
-
No
- If yes, please describe the intervention, what children received the intervention, and how they were chosen.
Classification Accuracy - Fall
Evidence | Grade 1 | Grade 2 | Grade 3 | Grade 4 | Grade 5 | Grade 6 | Grade 7 | Grade 8 | Grade 9 | Grade 10 | Grade 11 |
---|---|---|---|---|---|---|---|---|---|---|---|
Criterion measure | DIBELS ORF | Florida Standards Assessment (FSA) for English language arts | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | SAT Evidence Based Reading and Writing (ERW) | Florida Standards Assessment (FSA) for English language arts | SAT Evidence Based Reading and Writing (ERW) |
Cut Points - Percentile rank on criterion measure | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
Cut Points - Performance score on criterion measure | |||||||||||
Cut Points - Corresponding performance score (numeric) on screener measure | 73 | <137 | <252 | <352 | <431 | <518 | <565 | <625 | <710 | <648 | <844 |
Classification Data - True Positive (a) | 12 | 1198 | 1201 | 1205 | 1212 | 1191 | 1219 | 1225 | 99 | 494 | 360 |
Classification Data - False Positive (b) | 10 | 1340 | 1068 | 952 | 904 | 1040 | 823 | 923 | 121 | 490 | 410 |
Classification Data - False Negative (c) | 2 | 306 | 284 | 290 | 292 | 286 | 290 | 311 | 20 | 123 | 87 |
Classification Data - True Negative (d) | 46 | 5550 | 4979 | 5119 | 5141 | 4958 | 5226 | 5274 | 496 | 1991 | 1736 |
Area Under the Curve (AUC) | 0.89 | 0.88 | 0.90 | 0.91 | 0.92 | 0.90 | 0.92 | 0.91 | 0.87 | 0.89 | 0.89 |
AUC Estimate’s 95% Confidence Interval: Lower Bound | 0.82 | 0.88 | 0.90 | 0.90 | 0.91 | 0.90 | 0.91 | 0.90 | 0.84 | 0.87 | 0.87 |
AUC Estimate’s 95% Confidence Interval: Upper Bound | 0.97 | 0.89 | 0.91 | 0.92 | 0.92 | 0.91 | 0.93 | 0.92 | 0.90 | 0.90 | 0.90 |
Statistics | Grade 1 | Grade 2 | Grade 3 | Grade 4 | Grade 5 | Grade 6 | Grade 7 | Grade 8 | Grade 9 | Grade 10 | Grade 11 |
---|---|---|---|---|---|---|---|---|---|---|---|
Base Rate | 0.20 | 0.18 | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 | 0.16 | 0.20 | 0.17 |
Overall Classification Rate | 0.83 | 0.80 | 0.82 | 0.84 | 0.84 | 0.82 | 0.85 | 0.84 | 0.81 | 0.80 | 0.81 |
Sensitivity | 0.86 | 0.80 | 0.81 | 0.81 | 0.81 | 0.81 | 0.81 | 0.80 | 0.83 | 0.80 | 0.81 |
Specificity | 0.82 | 0.81 | 0.82 | 0.84 | 0.85 | 0.83 | 0.86 | 0.85 | 0.80 | 0.80 | 0.81 |
False Positive Rate | 0.18 | 0.19 | 0.18 | 0.16 | 0.15 | 0.17 | 0.14 | 0.15 | 0.20 | 0.20 | 0.19 |
False Negative Rate | 0.14 | 0.20 | 0.19 | 0.19 | 0.19 | 0.19 | 0.19 | 0.20 | 0.17 | 0.20 | 0.19 |
Positive Predictive Power | 0.55 | 0.47 | 0.53 | 0.56 | 0.57 | 0.53 | 0.60 | 0.57 | 0.45 | 0.50 | 0.47 |
Negative Predictive Power | 0.96 | 0.95 | 0.95 | 0.95 | 0.95 | 0.95 | 0.95 | 0.94 | 0.96 | 0.94 | 0.95 |
Sample | Grade 1 | Grade 2 | Grade 3 | Grade 4 | Grade 5 | Grade 6 | Grade 7 | Grade 8 | Grade 9 | Grade 10 | Grade 11 |
---|---|---|---|---|---|---|---|---|---|---|---|
Date | Fall 2019 | Fall 2016 and Fall 2017 | Fall 2014 & Fall 2018 | Fall 2014 & Fall 2018 | Fall 2014 & Fall 2018 | Fall 2014 & Fall 2018 | Fall 2014 & Fall 2018 | Fall 2014 & Fall 2018 | Fall 2013 & 2014 | Fall 2017 | Fall 2015 & Fall 2016 |
Sample Size | 70 | 8394 | 7532 | 7566 | 7549 | 7475 | 7558 | 7733 | 736 | 3098 | 2593 |
Geographic Representation | East South Central (AL) | South Atlantic (FL) | New England (CT) Pacific (CA, OR, WA) West North Central (SD) |
New England (CT) Pacific (CA, OR, WA) West North Central (SD) |
New England (CT) Pacific (CA, OR, WA) West North Central (SD) |
New England (CT) Pacific (CA, OR, WA) West North Central (SD) |
New England (CT) Pacific (CA, OR, WA) West North Central (SD) |
New England (CT) Pacific (CA, OR, WA) West North Central (SD) |
East North Central (IL, MI) Mountain (ID) New England (CT) |
South Atlantic (FL) | East North Central (IL, MI) Mountain (ID) New England (CT, ME) |
Male | 50.0% | 50.3% | 50.2% | 51.3% | 51.5% | 50.5% | 50.3% | 51.4% | 48.4% | 51.2% | 48.4% |
Female | 50.0% | 49.7% | 49.4% | 48.2% | 48.8% | 49.1% | 49.4% | 48.1% | 47.7% | 48.8% | 49.8% |
Other | |||||||||||
Gender Unknown | 0.5% | 0.5% | 0.4% | 0.4% | 0.3% | 0.5% | 3.9% | 1.7% | |||
White, Non-Hispanic | 88.6% | 39.7% | 41.3% | 41.0% | 42.2% | 39.2% | 39.1% | 39.8% | 31.5% | 35.7% | 36.7% |
Black, Non-Hispanic | 5.7% | 23.8% | 4.7% | 4.7% | 4.8% | 4.6% | 5.2% | 5.2% | 15.2% | 26.3% | 27.2% |
Hispanic | 34.2% | 33.5% | 33.3% | 31.0% | 30.7% | 30.5% | 29.9% | 37.8% | 34.9% | 16.3% | |
Asian/Pacific Islander | |||||||||||
American Indian/Alaska Native | 1.4% | 0.3% | 1.1% | 1.1% | 1.1% | 1.0% | 1.2% | 1.0% | 0.4% | 1.1% | 0.6% |
Other | 4.2% | 3.7% | 4.5% | 3.5% | 3.8% | 3.3% | 0.3% | 4.9% | |||
Race / Ethnicity Unknown | 2.8% | 3.0% | 4.1% | 7.4% | 7.5% | 8.0% | 9.2% | 10.5% | |||
Low SES | |||||||||||
IEP or diagnosed disability | |||||||||||
English Language Learner |
Classification Accuracy - Winter
Evidence | Grade 1 | Grade 2 | Grade 3 | Grade 4 | Grade 5 | Grade 6 | Grade 7 | Grade 8 | Grade 9 | Grade 10 | Grade 11 |
---|---|---|---|---|---|---|---|---|---|---|---|
Criterion measure | PARCC Reading | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Florida Standards Assessment (FSA) for English language arts | Florida Standards Assessment (FSA) for English language arts | PARCC Reading |
Cut Points - Percentile rank on criterion measure | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
Cut Points - Performance score on criterion measure | |||||||||||
Cut Points - Corresponding performance score (numeric) on screener measure | <88 | <208 | <306 | <398 | <462 | <533 | <597 | <666 | <602 | <658 | <769 |
Classification Data - True Positive (a) | 55 | 945 | 1218 | 1219 | 1224 | 1093 | 1094 | 1078 | 528 | 485 | 33 |
Classification Data - False Positive (b) | 38 | 917 | 871 | 836 | 778 | 799 | 859 | 1044 | 538 | 421 | 31 |
Classification Data - False Negative (c) | 13 | 242 | 293 | 300 | 307 | 238 | 247 | 216 | 130 | 117 | 6 |
Classification Data - True Negative (d) | 238 | 3868 | 5309 | 5314 | 5368 | 4608 | 4550 | 4239 | 2223 | 1998 | 154 |
Area Under the Curve (AUC) | 0.88 | 0.89 | 0.92 | 0.92 | 0.92 | 0.92 | 0.91 | 0.90 | 0.89 | 0.90 | 0.88 |
AUC Estimate’s 95% Confidence Interval: Lower Bound | 0.84 | 0.88 | 0.91 | 0.91 | 0.92 | 0.91 | 0.90 | 0.90 | 0.87 | 0.88 | 0.83 |
AUC Estimate’s 95% Confidence Interval: Upper Bound | 0.92 | 0.90 | 0.93 | 0.93 | 0.93 | 0.92 | 0.91 | 0.91 | 0.90 | 0.91 | 0.93 |
Statistics | Grade 1 | Grade 2 | Grade 3 | Grade 4 | Grade 5 | Grade 6 | Grade 7 | Grade 8 | Grade 9 | Grade 10 | Grade 11 |
---|---|---|---|---|---|---|---|---|---|---|---|
Base Rate | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 | 0.19 | 0.20 | 0.17 |
Overall Classification Rate | 0.85 | 0.81 | 0.85 | 0.85 | 0.86 | 0.85 | 0.84 | 0.81 | 0.80 | 0.82 | 0.83 |
Sensitivity | 0.81 | 0.80 | 0.81 | 0.80 | 0.80 | 0.82 | 0.82 | 0.83 | 0.80 | 0.81 | 0.85 |
Specificity | 0.86 | 0.81 | 0.86 | 0.86 | 0.87 | 0.85 | 0.84 | 0.80 | 0.81 | 0.83 | 0.83 |
False Positive Rate | 0.14 | 0.19 | 0.14 | 0.14 | 0.13 | 0.15 | 0.16 | 0.20 | 0.19 | 0.17 | 0.17 |
False Negative Rate | 0.19 | 0.20 | 0.19 | 0.20 | 0.20 | 0.18 | 0.18 | 0.17 | 0.20 | 0.19 | 0.15 |
Positive Predictive Power | 0.59 | 0.51 | 0.58 | 0.59 | 0.61 | 0.58 | 0.56 | 0.51 | 0.50 | 0.54 | 0.52 |
Negative Predictive Power | 0.95 | 0.94 | 0.95 | 0.95 | 0.95 | 0.95 | 0.95 | 0.95 | 0.94 | 0.94 | 0.96 |
Sample | Grade 1 | Grade 2 | Grade 3 | Grade 4 | Grade 5 | Grade 6 | Grade 7 | Grade 8 | Grade 9 | Grade 10 | Grade 11 |
---|---|---|---|---|---|---|---|---|---|---|---|
Date | Winter 2012-13 | Winter 2013-2014 | Winter 2014-15 & Winter 2018-2019 | Winter 2014-2015 | Winter 2014-2015 | Winter 2014-2015 & Winter 2018-2019 | Winter 2014-15 | Winter 2014-2015 & Winter 2018-2019 | Winter 2017-18 | Winter 2017-18 | Winter 2014-15 |
Sample Size | 344 | 5972 | 7691 | 7669 | 7677 | 6738 | 6750 | 6577 | 3419 | 3021 | 224 |
Geographic Representation | East North Central (IL) Mountain (CO, NM) West South Central (AR) |
New England (CT) Pacific (CA, OR, WA) |
New England (CT) Pacific (CA, OR, WA) West North Central (SD) |
New England (CT) Pacific (CA, OR, WA) |
New England (CT) Pacific (CA, OR, WA) |
New England (CT) Pacific (CA, OR, WA) West North Central (SD) |
New England (CT) Pacific (CA, OR, WA) |
New England (CT) Pacific (CA, OR, WA) West North Central (SD) |
South Atlantic (FL) | South Atlantic (FL) | Middle Atlantic (NJ) Mountain (CO) New England (RI) West South Central (AR) |
Male | 51.5% | 50.4% | 50.3% | 51.5% | 51.5% | 51.3% | 50.6% | 51.6% | 52.7% | 51.4% | 50.0% |
Female | 48.5% | 49.4% | 49.4% | 48.3% | 48.4% | 48.5% | 49.1% | 47.8% | 47.3% | 48.6% | 50.0% |
Other | |||||||||||
Gender Unknown | 0.1% | 0.3% | 0.2% | 0.1% | 0.2% | 0.3% | 0.6% | ||||
White, Non-Hispanic | 5.8% | 40.3% | 40.9% | 40.9% | 42.0% | 39.4% | 38.8% | 39.1% | 34.5% | 35.4% | 36.6% |
Black, Non-Hispanic | 1.7% | 4.9% | 5.0% | 4.7% | 4.9% | 5.0% | 5.7% | 6.0% | 24.7% | 25.7% | 3.1% |
Hispanic | 1.2% | 35.9% | 33.9% | 33.5% | 31.4% | 32.7% | 32.7% | 31.7% | 37.6% | 35.8% | 59.4% |
Asian/Pacific Islander | |||||||||||
American Indian/Alaska Native | 0.4% | 1.0% | 1.1% | 1.1% | 1.1% | 1.3% | 1.1% | 1.4% | 1.1% | ||
Other | 3.3% | 4.1% | 3.9% | 4.5% | 3.1% | 3.0% | 2.5% | 0.0% | 0.2% | 0.4% | |
Race / Ethnicity Unknown | 90.4% | 2.6% | 2.7% | 2.8% | 3.8% | 7.8% | 8.3% | 8.8% | 0.4% | ||
Low SES | |||||||||||
IEP or diagnosed disability | |||||||||||
English Language Learner |
Classification Accuracy - Spring
Evidence | Grade 1 | Grade 2 | Grade 3 | Grade 4 | Grade 5 | Grade 6 | Grade 7 | Grade 8 | Grade 9 | Grade 10 | Grade 11 |
---|---|---|---|---|---|---|---|---|---|---|---|
Criterion measure | Galileo Early Literacy assessment | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Florida Standards Assessment (FSA) for English language arts | PARCC Reading | PARCC Reading |
Cut Points - Percentile rank on criterion measure | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
Cut Points - Performance score on criterion measure | |||||||||||
Cut Points - Corresponding performance score (numeric) on screener measure | <91 | <265 | < 350 | < 430 | < 478 | < 566 | < 611 | < 665 | <605 | <830 | <758 |
Classification Data - True Positive (a) | 71 | 945 | 1218 | 1244 | 1225 | 1176 | 1068 | 1074 | 435 | 30 | 39 |
Classification Data - False Positive (b) | 65 | 887 | 879 | 786 | 677 | 860 | 696 | 717 | 437 | 8 | 38 |
Classification Data - False Negative (c) | 14 | 241 | 298 | 292 | 294 | 261 | 236 | 269 | 107 | 5 | 9 |
Classification Data - True Negative (d) | 284 | 3935 | 5300 | 5382 | 5416 | 4897 | 4600 | 4751 | 2129 | 81 | 204 |
Area Under the Curve (AUC) | 0.90 | 0.89 | 0.92 | 0.93 | 0.93 | 0.92 | 0.93 | 0.92 | 0.90 | 0.92 | 0.88 |
AUC Estimate’s 95% Confidence Interval: Lower Bound | 0.86 | 0.88 | 0.91 | 0.92 | 0.93 | 0.91 | 0.92 | 0.91 | 0.88 | 0.87 | 0.83 |
AUC Estimate’s 95% Confidence Interval: Upper Bound | 0.93 | 0.90 | 0.92 | 0.93 | 0.94 | 0.93 | 0.93 | 0.93 | 0.91 | 0.98 | 0.93 |
Statistics | Grade 1 | Grade 2 | Grade 3 | Grade 4 | Grade 5 | Grade 6 | Grade 7 | Grade 8 | Grade 9 | Grade 10 | Grade 11 |
---|---|---|---|---|---|---|---|---|---|---|---|
Base Rate | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 | 0.17 | 0.28 | 0.17 |
Overall Classification Rate | 0.82 | 0.81 | 0.85 | 0.86 | 0.87 | 0.84 | 0.86 | 0.86 | 0.82 | 0.90 | 0.84 |
Sensitivity | 0.84 | 0.80 | 0.80 | 0.81 | 0.81 | 0.82 | 0.82 | 0.80 | 0.80 | 0.86 | 0.81 |
Specificity | 0.81 | 0.82 | 0.86 | 0.87 | 0.89 | 0.85 | 0.87 | 0.87 | 0.83 | 0.91 | 0.84 |
False Positive Rate | 0.19 | 0.18 | 0.14 | 0.13 | 0.11 | 0.15 | 0.13 | 0.13 | 0.17 | 0.09 | 0.16 |
False Negative Rate | 0.16 | 0.20 | 0.20 | 0.19 | 0.19 | 0.18 | 0.18 | 0.20 | 0.20 | 0.14 | 0.19 |
Positive Predictive Power | 0.52 | 0.52 | 0.58 | 0.61 | 0.64 | 0.58 | 0.61 | 0.60 | 0.50 | 0.79 | 0.51 |
Negative Predictive Power | 0.95 | 0.94 | 0.95 | 0.95 | 0.95 | 0.95 | 0.95 | 0.95 | 0.95 | 0.94 | 0.96 |
Sample | Grade 1 | Grade 2 | Grade 3 | Grade 4 | Grade 5 | Grade 6 | Grade 7 | Grade 8 | Grade 9 | Grade 10 | Grade 11 |
---|---|---|---|---|---|---|---|---|---|---|---|
Date | Spring 2017 | Spring 2014 | Spring 2015 & Spring 2019 | Spring 2015 & Spring 2019 | Spring 2015 & Spring 2019 | Spring 2015 & Spring 2019 | Spring 2015 & Spring 2019 | Spring 2015 & Spring 2019 | Spring 2018 | Spring 2014 | Spring 2014 |
Sample Size | 434 | 6008 | 7695 | 7704 | 7612 | 7194 | 6600 | 6811 | 3108 | 124 | 290 |
Geographic Representation | Mountain (AZ) | New England (CT) Pacific (CA, OR, WA) |
New England (CT) Pacific (CA, OR, WA) West North Central (SD) |
New England (CT) Pacific (CA, OR, WA) West North Central (SD) |
New England (CT) Pacific (CA, OR, WA) West North Central (SD) |
New England (CT) Pacific (CA, OR, WA) West North Central (SD) |
New England (CT) Pacific (CA, OR, WA) West North Central (SD) |
New England (CT) Pacific (CA, OR, WA) West North Central (SD) |
South Atlantic (FL) | Mountain (CO) New England (RI) |
East North Central (OH) Middle Atlantic (NJ) Mountain (CO, NM) New England (RI) |
Male | 54.6% | 50.0% | 50.7% | 51.3% | 51.1% | 50.9% | 49.8% | 51.3% | 52.6% | 61.3% | 55.5% |
Female | 45.4% | 49.8% | 48.9% | 48.1% | 48.6% | 48.6% | 49.8% | 48.0% | 47.4% | 38.7% | 51.4% |
Other | |||||||||||
Gender Unknown | 0.1% | 0.4% | 0.5% | 0.4% | 0.5% | 0.4% | 0.6% | ||||
White, Non-Hispanic | 35.0% | 40.4% | 41.1% | 40.8% | 42.0% | 38.7% | 36.6% | 36.8% | 32.8% | 63.7% | 29.7% |
Black, Non-Hispanic | 12.9% | 4.8% | 4.7% | 4.8% | 5.0% | 4.8% | 5.7% | 5.4% | 22.7% | 3.2% | 2.8% |
Hispanic | 45.6% | 35.4% | 33.7% | 33.3% | 31.0% | 30.0% | 32.1% | 30.9% | 41.2% | 30.6% | 74.1% |
Asian/Pacific Islander | |||||||||||
American Indian/Alaska Native | 3.0% | 0.4% | 1.0% | 1.1% | 1.1% | 1.0% | 1.0% | 0.6% | 1.5% | ||
Other | 3.4% | 4.2% | 3.8% | 4.4% | 3.8% | 3.7% | 3.4% | 0.0% | 1.6% | 0.3% | |
Race / Ethnicity Unknown | 2.7% | 2.8% | 3.1% | 4.0% | 7.9% | 8.1% | 9.2% | ||||
Low SES | |||||||||||
IEP or diagnosed disability | |||||||||||
English Language Learner |
Cross-Validation - Fall
Evidence | Grade 1 | Grade 2 | Grade 3 | Grade 4 | Grade 5 | Grade 6 | Grade 7 | Grade 8 | Grade 9 | Grade 10 | Grade 11 |
---|---|---|---|---|---|---|---|---|---|---|---|
Criterion measure | DIBELS ORF | Florida Standards Assessment (FSA) for English language arts | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | SAT Evidence Based Reading and Writing (ERW) | Florida Standards Assessment (FSA) for English language arts | SAT Evidence Based Reading and Writing (ERW) |
Cut Points - Percentile rank on criterion measure | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
Cut Points - Performance score on criterion measure | |||||||||||
Cut Points - Corresponding performance score (numeric) on screener measure | 73 | <137 | <252 | < 352 | < 431 | < 518 | < 565 | < 625 | <710 | <648 | <844 |
Classification Data - True Positive (a) | 3 | 121 | 136 | 125 | 143 | 137 | 142 | 141 | 9 | 45 | 41 |
Classification Data - False Positive (b) | 5 | 155 | 119 | 99 | 94 | 122 | 88 | 102 | 6 | 63 | 54 |
Classification Data - False Negative (c) | 0 | 23 | 34 | 43 | 33 | 23 | 44 | 29 | 2 | 14 | 13 |
Classification Data - True Negative (d) | 8 | 633 | 547 | 573 | 568 | 548 | 565 | 587 | 64 | 200 | 180 |
Area Under the Curve (AUC) | 0.69 | 0.90 | 0.90 | 0.89 | 0.92 | 0.92 | 0.90 | 0.91 | 0.96 | 0.87 | 0.84 |
AUC Estimate’s 95% Confidence Interval: Lower Bound | 0.43 | 0.88 | 0.87 | 0.87 | 0.90 | 0.90 | 0.88 | 0.88 | 0.91 | 0.82 | 0.78 |
AUC Estimate’s 95% Confidence Interval: Upper Bound | 0.95 | 0.93 | 0.92 | 0.92 | 0.94 | 0.95 | 0.92 | 0.93 | 1.00 | 0.91 | 0.89 |
Statistics | Grade 1 | Grade 2 | Grade 3 | Grade 4 | Grade 5 | Grade 6 | Grade 7 | Grade 8 | Grade 9 | Grade 10 | Grade 11 |
---|---|---|---|---|---|---|---|---|---|---|---|
Base Rate | 0.19 | 0.15 | 0.20 | 0.20 | 0.21 | 0.19 | 0.22 | 0.20 | 0.14 | 0.18 | 0.19 |
Overall Classification Rate | 0.69 | 0.81 | 0.82 | 0.83 | 0.85 | 0.83 | 0.84 | 0.85 | 0.90 | 0.76 | 0.77 |
Sensitivity | 1.00 | 0.84 | 0.80 | 0.74 | 0.81 | 0.86 | 0.76 | 0.83 | 0.82 | 0.76 | 0.76 |
Specificity | 0.62 | 0.80 | 0.82 | 0.85 | 0.86 | 0.82 | 0.87 | 0.85 | 0.91 | 0.76 | 0.77 |
False Positive Rate | 0.38 | 0.20 | 0.18 | 0.15 | 0.14 | 0.18 | 0.13 | 0.15 | 0.09 | 0.24 | 0.23 |
False Negative Rate | 0.00 | 0.16 | 0.20 | 0.26 | 0.19 | 0.14 | 0.24 | 0.17 | 0.18 | 0.24 | 0.24 |
Positive Predictive Power | 0.38 | 0.44 | 0.53 | 0.56 | 0.60 | 0.53 | 0.62 | 0.58 | 0.60 | 0.42 | 0.43 |
Negative Predictive Power | 1.00 | 0.96 | 0.94 | 0.93 | 0.95 | 0.96 | 0.93 | 0.95 | 0.97 | 0.93 | 0.93 |
Sample | Grade 1 | Grade 2 | Grade 3 | Grade 4 | Grade 5 | Grade 6 | Grade 7 | Grade 8 | Grade 9 | Grade 10 | Grade 11 |
---|---|---|---|---|---|---|---|---|---|---|---|
Date | Fall 2019 | Fall 2013 | Fall 2014 & Fall 2018 | Fall 2014 & Fall 2018 | Fall 2014 & Fall 2018 | Fall 2014 & Fall 2018 | Fall 2014 & Fall 2018 | Fall 2014 & Fall 2018 | Fall 2013 & 2014 | Fall 2017 | Fall 2015 & Fall 2016 |
Sample Size | 16 | 932 | 836 | 840 | 838 | 830 | 839 | 859 | 81 | 322 | 288 |
Geographic Representation | East South Central (AL) | South Atlantic (FL) | New England (CT) Pacific (CA, OR, WA) West North Central (SD) |
New England (CT) Pacific (CA, OR, WA) West North Central (SD) |
New England (CT) Pacific (CA, OR, WA) West North Central (SD) |
New England (CT) Pacific (CA, OR, WA) West North Central (SD) |
New England (CT) Pacific (CA, OR, WA) West North Central (SD) |
New England (CT) Pacific (CA, OR, WA) West North Central (SD) |
East North Central (IL, MI) Mountain (ID) New England (CT) |
South Atlantic (FL) | East North Central (IL, MI) Mountain (ID) New England (CT, ME) |
Male | 62.5% | 49.9% | 51.1% | 48.8% | 49.8% | 54.3% | 48.3% | 49.0% | 38.3% | 51.9% | 45.1% |
Female | 37.5% | 50.1% | 48.4% | 50.5% | 50.0% | 45.1% | 51.5% | 50.2% | 54.3% | 48.1% | 53.5% |
Other | |||||||||||
Gender Unknown | 0.5% | 0.7% | 0.2% | 0.6% | 0.2% | 0.8% | 7.4% | 1.4% | |||
White, Non-Hispanic | 87.5% | 38.9% | 40.6% | 41.3% | 42.2% | 37.8% | 39.3% | 38.4% | 38.3% | 36.3% | 34.4% |
Black, Non-Hispanic | 12.5% | 22.4% | 6.2% | 4.6% | 4.9% | 4.0% | 5.7% | 5.7% | 18.5% | 23.9% | 27.4% |
Hispanic | 36.1% | 34.3% | 32.0% | 32.1% | 30.1% | 29.6% | 29.8% | 25.9% | 37.3% | 18.8% | |
Asian/Pacific Islander | |||||||||||
American Indian/Alaska Native | 0.4% | 0.4% | 1.0% | 1.4% | 1.2% | 1.1% | 0.7% | 1.2% | 0.9% | 1.0% | |
Other | 4.3% | 5.0% | 3.9% | 4.3% | 3.8% | 3.5% | 0.6% | 4.2% | |||
Race / Ethnicity Unknown | 3.0% | 3.5% | 3.6% | 8.3% | 8.5% | 9.1% | 11.1% | 10.4% | |||
Low SES | |||||||||||
IEP or diagnosed disability | |||||||||||
English Language Learner |
Cross-Validation - Winter
Evidence | Grade 1 | Grade 2 | Grade 3 | Grade 4 | Grade 5 | Grade 6 | Grade 7 | Grade 8 | Grade 9 | Grade 10 |
---|---|---|---|---|---|---|---|---|---|---|
Criterion measure | PARCC Reading | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Florida Standards Assessment (FSA) for English language arts | Florida Standards Assessment (FSA) for English language arts |
Cut Points - Percentile rank on criterion measure | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
Cut Points - Performance score on criterion measure | ||||||||||
Cut Points - Corresponding performance score (numeric) on screener measure | <88 | <208 | <306 | <398 | < 462 | <533 | < 597 | < 666 | <602 | <658 |
Classification Data - True Positive (a) | 41 | 97 | 158 | 126 | 148 | 96 | 119 | 119 | 52 | 52 |
Classification Data - False Positive (b) | 81 | 98 | 96 | 97 | 79 | 93 | 96 | 111 | 73 | 56 |
Classification Data - False Negative (c) | 13 | 31 | 40 | 30 | 39 | 34 | 23 | 18 | 15 | 14 |
Classification Data - True Negative (d) | 300 | 437 | 560 | 599 | 586 | 525 | 511 | 482 | 246 | 208 |
Area Under the Curve (AUC) | 0.86 | 0.89 | 0.91 | 0.91 | 0.92 | 0.89 | 0.94 | 0.91 | 0.87 | 0.89 |
AUC Estimate’s 95% Confidence Interval: Lower Bound | 0.81 | 0.86 | 0.89 | 0.89 | 0.90 | 0.86 | 0.91 | 0.89 | 0.83 | 0.85 |
AUC Estimate’s 95% Confidence Interval: Upper Bound | 0.90 | 0.92 | 0.93 | 0.93 | 0.94 | 0.92 | 0.96 | 0.94 | 0.92 | 0.93 |
Statistics | Grade 1 | Grade 2 | Grade 3 | Grade 4 | Grade 5 | Grade 6 | Grade 7 | Grade 8 | Grade 9 | Grade 10 |
---|---|---|---|---|---|---|---|---|---|---|
Base Rate | 0.12 | 0.19 | 0.23 | 0.18 | 0.22 | 0.17 | 0.19 | 0.19 | 0.17 | 0.20 |
Overall Classification Rate | 0.78 | 0.81 | 0.84 | 0.85 | 0.86 | 0.83 | 0.84 | 0.82 | 0.77 | 0.79 |
Sensitivity | 0.76 | 0.76 | 0.80 | 0.81 | 0.79 | 0.74 | 0.84 | 0.87 | 0.78 | 0.79 |
Specificity | 0.79 | 0.82 | 0.85 | 0.86 | 0.88 | 0.85 | 0.84 | 0.81 | 0.77 | 0.79 |
False Positive Rate | 0.21 | 0.18 | 0.15 | 0.14 | 0.12 | 0.15 | 0.16 | 0.19 | 0.23 | 0.21 |
False Negative Rate | 0.24 | 0.24 | 0.20 | 0.19 | 0.21 | 0.26 | 0.16 | 0.13 | 0.22 | 0.21 |
Positive Predictive Power | 0.34 | 0.50 | 0.62 | 0.57 | 0.65 | 0.51 | 0.55 | 0.52 | 0.42 | 0.48 |
Negative Predictive Power | 0.96 | 0.93 | 0.93 | 0.95 | 0.94 | 0.94 | 0.96 | 0.96 | 0.94 | 0.94 |
Sample | Grade 1 | Grade 2 | Grade 3 | Grade 4 | Grade 5 | Grade 6 | Grade 7 | Grade 8 | Grade 9 | Grade 10 |
---|---|---|---|---|---|---|---|---|---|---|
Date | Winter 2012-13 | Winter 2013-2014 | Winter 2014-2015 & Winter 2018-2019 | Winter 2014-2015 | Winter 2014-2015 | Winter 2014-2015 | Winter 2014-2015 | Winter 2014-2015 | Winter 2017-18 | Winter 2014-15 |
Sample Size | 435 | 663 | 854 | 852 | 852 | 748 | 749 | 730 | 386 | 330 |
Geographic Representation | Middle Atlantic (NJ) | New England (CT) Pacific (CA, OR, WA) |
New England (CT) Pacific (CA, OR, WA) West North Central (SD) |
New England (CT) Pacific (CA, OR, WA) |
New England (CT) Pacific (CA, OR, WA) |
New England (CT) Pacific (CA, OR, WA) |
New England (CT) Pacific (CA, OR, WA) |
New England (CT) Pacific (CA, OR, WA) |
South Atlantic (FL) | South Atlantic (FL) |
Male | 48.3% | 52.3% | 52.8% | 49.8% | 49.9% | 47.9% | 47.7% | 51.4% | 54.9% | 52.4% |
Female | 51.7% | 47.7% | 47.0% | 49.9% | 50.0% | 51.9% | 52.2% | 48.1% | 45.1% | 47.6% |
Other | ||||||||||
Gender Unknown | 0.2% | 0.4% | 0.1% | 0.3% | 0.1% | 0.5% | ||||
White, Non-Hispanic | 14.0% | 40.9% | 42.9% | 40.7% | 43.0% | 37.4% | 35.6% | 39.7% | 32.6% | 34.2% |
Black, Non-Hispanic | 5.7% | 4.8% | 4.2% | 5.9% | 4.8% | 5.7% | 6.3% | 5.8% | 25.9% | 32.1% |
Hispanic | 46.2% | 35.9% | 31.3% | 32.4% | 29.3% | 32.2% | 33.9% | 30.4% | 37.0% | 31.8% |
Asian/Pacific Islander | ||||||||||
American Indian/Alaska Native | 0.6% | 1.1% | 0.9% | 1.5% | 1.6% | 1.5% | 0.8% | 1.0% | 0.6% | |
Other | 1.8% | 3.5% | 4.6% | 3.3% | 4.2% | 2.5% | 5.1% | 2.7% | ||
Race / Ethnicity Unknown | 2.7% | 2.7% | 3.3% | 4.3% | 8.8% | 8.7% | 8.8% | |||
Low SES | ||||||||||
IEP or diagnosed disability | ||||||||||
English Language Learner |
Cross-Validation - Spring
Evidence | Grade 1 | Grade 2 | Grade 3 | Grade 4 | Grade 5 | Grade 6 | Grade 7 | Grade 8 | Grade 9 | Grade 10 | Grade 11 |
---|---|---|---|---|---|---|---|---|---|---|---|
Criterion measure | Galileo Early Literacy assessment | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Smarter Balanced ELA / Literacy | Florida Standards Assessment (FSA) for English language arts | PARCC Reading | PARCC Reading |
Cut Points - Percentile rank on criterion measure | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
Cut Points - Performance score on criterion measure | |||||||||||
Cut Points - Corresponding performance score (numeric) on screener measure | <91 | < 265 | < 350 | < 430 | < 478 | < 566 | < 611 | < 665 | <605 | <830 | <758 |
Classification Data - True Positive (a) | 76 | 108 | 115 | 121 | 144 | 109 | 123 | 123 | 48 | 20 | 19 |
Classification Data - False Positive (b) | 191 | 104 | 103 | 92 | 71 | 92 | 87 | 80 | 43 | 73 | 29 |
Classification Data - False Negative (c) | 9 | 34 | 22 | 28 | 40 | 22 | 22 | 32 | 8 | 4 | 3 |
Classification Data - True Negative (d) | 536 | 421 | 614 | 615 | 590 | 576 | 501 | 521 | 234 | 263 | 218 |
Area Under the Curve (AUC) | 0.89 | 0.88 | 0.92 | 0.92 | 0.93 | 0.93 | 0.93 | 0.91 | 0.91 | 0.90 | 0.92 |
AUC Estimate’s 95% Confidence Interval: Lower Bound | 0.86 | 0.86 | 0.90 | 0.89 | 0.92 | 0.91 | 0.91 | 0.89 | 0.87 | 0.84 | 0.85 |
AUC Estimate’s 95% Confidence Interval: Upper Bound | 0.92 | 0.91 | 0.94 | 0.94 | 0.95 | 0.95 | 0.95 | 0.94 | 0.95 | 0.95 | 0.98 |
Statistics | Grade 1 | Grade 2 | Grade 3 | Grade 4 | Grade 5 | Grade 6 | Grade 7 | Grade 8 | Grade 9 | Grade 10 | Grade 11 |
---|---|---|---|---|---|---|---|---|---|---|---|
Base Rate | 0.10 | 0.21 | 0.16 | 0.17 | 0.22 | 0.16 | 0.20 | 0.21 | 0.17 | 0.07 | 0.08 |
Overall Classification Rate | 0.75 | 0.79 | 0.85 | 0.86 | 0.87 | 0.86 | 0.85 | 0.85 | 0.85 | 0.79 | 0.88 |
Sensitivity | 0.89 | 0.76 | 0.84 | 0.81 | 0.78 | 0.83 | 0.85 | 0.79 | 0.86 | 0.83 | 0.86 |
Specificity | 0.74 | 0.80 | 0.86 | 0.87 | 0.89 | 0.86 | 0.85 | 0.87 | 0.84 | 0.78 | 0.88 |
False Positive Rate | 0.26 | 0.20 | 0.14 | 0.13 | 0.11 | 0.14 | 0.15 | 0.13 | 0.16 | 0.22 | 0.12 |
False Negative Rate | 0.11 | 0.24 | 0.16 | 0.19 | 0.22 | 0.17 | 0.15 | 0.21 | 0.14 | 0.17 | 0.14 |
Positive Predictive Power | 0.28 | 0.51 | 0.53 | 0.57 | 0.67 | 0.54 | 0.59 | 0.61 | 0.53 | 0.22 | 0.40 |
Negative Predictive Power | 0.98 | 0.93 | 0.97 | 0.96 | 0.94 | 0.96 | 0.96 | 0.94 | 0.97 | 0.99 | 0.99 |
Sample | Grade 1 | Grade 2 | Grade 3 | Grade 4 | Grade 5 | Grade 6 | Grade 7 | Grade 8 | Grade 9 | Grade 10 | Grade 11 |
---|---|---|---|---|---|---|---|---|---|---|---|
Date | Spring 2016 | Spring 2014 | Spring 2015 & Spring 2019 | Spring 2014 | Spring 2015 & Spring 2019 | Spring 2015 & Spring 2019 | Spring 2015 | Spring 2015 & Spring 2019 | Spring 2018 | Spring 2014 | Spring 2014 |
Sample Size | 812 | 667 | 854 | 856 | 845 | 799 | 733 | 756 | 333 | 360 | 269 |
Geographic Representation | Mountain (AZ) | New England (CT) Pacific (CA, OR, WA) |
New England (CT) Pacific (CA, OR, WA) West North Central (SD) |
New England (CT) Pacific (CA, OR, WA) West North Central (SD) |
New England (CT) Pacific (CA, OR, WA) West North Central (SD) |
New England (CT) Pacific (CA, OR, WA) West North Central (SD) |
New England (CT) Pacific (CA, OR, WA) |
New England (CT) Pacific (CA, OR, WA) West North Central (SD) |
South Atlantic (FL) | Middle Atlantic (NJ) | Middle Atlantic (NJ) |
Male | 51.5% | 52.3% | 49.3% | 49.6% | 53.0% | 52.1% | 49.5% | 52.5% | 50.8% | 49.4% | 44.6% |
Female | 48.5% | 47.7% | 50.0% | 49.9% | 46.6% | 47.7% | 50.2% | 47.1% | 49.2% | 50.6% | 55.4% |
Other | |||||||||||
Gender Unknown | 0.7% | 0.5% | 0.4% | 0.3% | 0.3% | 0.4% | |||||
White, Non-Hispanic | 33.6% | 39.6% | 40.2% | 40.3% | 40.9% | 40.1% | 37.9% | 35.7% | 34.8% | 13.6% | 13.8% |
Black, Non-Hispanic | 9.2% | 4.3% | 6.1% | 5.3% | 4.1% | 3.9% | 4.9% | 5.6% | 24.0% | 8.6% | 8.2% |
Hispanic | 51.2% | 35.2% | 32.6% | 32.2% | 31.4% | 31.3% | 30.6% | 32.0% | 37.5% | 42.8% | 39.8% |
Asian/Pacific Islander | |||||||||||
American Indian/Alaska Native | 0.6% | 0.1% | 0.9% | 1.4% | 1.1% | 0.5% | 0.3% | 0.9% | 0.6% | 0.7% | |
Other | 3.7% | 3.2% | 4.1% | 5.0% | 3.0% | 3.1% | 4.0% | 0.8% | 0.7% | ||
Race / Ethnicity Unknown | 2.4% | 3.7% | 3.4% | 4.6% | 7.6% | 8.7% | 8.3% | ||||
Low SES | |||||||||||
IEP or diagnosed disability | |||||||||||
English Language Learner |
Reliability
Grade |
Grade 1
|
Grade 2
|
Grade 3
|
Grade 4
|
Grade 5
|
Grade 6
|
Grade 7
|
Grade 8
|
Grade 9
|
Grade 10
|
Grade 11
|
---|---|---|---|---|---|---|---|---|---|---|---|
Rating |
- *Offer a justification for each type of reliability reported, given the type and purpose of the tool.
- The internal consistency reliability coefficient estimates the proportion of variability within a single administration of a test that is due to inconsistency among the items that comprise the test
- *Describe the sample(s), including size and characteristics, for each reliability analysis conducted.
- For each grade, a large sample (n = 100,000) of students completed Star Reading assessments throughout the 2012–2013 school year
- *Describe the analysis procedures for each reported type of reliability.
- Reliability was defined as the proportion of test score variance that is attributable to true variation in the trait the test measures. The variance of the test scores was calculated from Scaled Score data. The variance of the errors of measurement was estimated from the conditional standard error of measurement (CSEM) statistics that accompany each of the IRT-based test scores, including the Scaled Scores. The conditional standard error of measurement (CSEM) was calculated along with the IRT ability estimate and Scaled Score. Squaring and summing the CSEM values yielded an estimate of total squared error; dividing by the number of observations yielded an estimate of error variance. Generic reliability was calculated by subtracting the ratio of error variance to Scaled Score variance from 1.
*In the table(s) below, report the results of the reliability analyses described above (e.g., internal consistency or inter-rater reliability coefficients).
Type of | Subgroup | Informant | Age / Grade | Test or Criterion | n | Median Coefficient | 95% Confidence Interval Lower Bound |
95% Confidence Interval Upper Bound |
---|
- Results from other forms of reliability analysis not compatible with above table format:
- Manual cites other published reliability studies:
- Yes
- Provide citations for additional published studies.
- Renaissance Learning (2020). Star Assessments™ for Reading Technical Manual. Wisconsin Rapids, WI: Author. Available by request to research@renaissance.com.
- Do you have reliability data that are disaggregated by gender, race/ethnicity, or other subgroups (e.g., English language learners, students with disabilities)?
- No
If yes, fill in data for each subgroup with disaggregated reliability data.
Type of | Subgroup | Informant | Age / Grade | Test or Criterion | n | Median Coefficient | 95% Confidence Interval Lower Bound |
95% Confidence Interval Upper Bound |
---|
- Results from other forms of reliability analysis not compatible with above table format:
- Manual cites other published reliability studies:
- Provide citations for additional published studies.
Validity
Grade |
Grade 1
|
Grade 2
|
Grade 3
|
Grade 4
|
Grade 5
|
Grade 6
|
Grade 7
|
Grade 8
|
Grade 9
|
Grade 10
|
Grade 11
|
---|---|---|---|---|---|---|---|---|---|---|---|
Rating |
- *Describe each criterion measure used and explain why each measure is appropriate, given the type and purpose of the tool.
- All criterion measures were external to the screening tool system and represent widely used assessments of general reading ability. • CAT-5. The California Achievement Test, is a nationally normed standardized test that measures achievement in reading. • ITBS. The Iowa Tests For Basic Skills are nationally normed standardized tests that offer educators a diagnostic look at how their students are progressing in reading comprehension. • PARCC. The Partnership for Assessment of Readiness for College and Careers end-of-year assessment covers reading and is intended to be used as an indicator of student needs and progress. • SBA. Smarter Balanced assessments are summative tests designed to measure student achievement and growth in reading to support teaching and learning. • ACT. The American College Testing college readiness assessment is a national standardized test for high school achievement and college admissions. • SAT EBRW. The SAT Evidence-based reading and writing assessment is a standardized test widely used for college admissions in the United States.
- *Describe the sample(s), including size and characteristics, for each validity analysis conducted.
- Samples included students who had taken both Star Reading and the criterion measure. The sample sizes varied across criterion and grades, ranging from 105 to 10,800 students.
- *Describe the analysis procedures for each reported type of validity.
- Concurrent and predictive correlations were calculated. A criterion assessment was considered concurrent if it was taken within approximately 30 days of Star Reading. Predictive correlations involve a criterion assessment occurring outside of the concurrent window for Star Reading.
*In the table below, report the results of the validity analyses described above (e.g., concurrent or predictive validity, evidence based on response processes, evidence based on internal structure, evidence based on relations to other variables, and/or evidence based on consequences of testing), and the criterion measures.
Type of | Subgroup | Informant | Age / Grade | Test or Criterion | n | Median Coefficient | 95% Confidence Interval Lower Bound |
95% Confidence Interval Upper Bound |
---|
- Results from other forms of validity analysis not compatible with above table format:
- Manual cites other published reliability studies:
- Yes
- Provide citations for additional published studies.
- Renaissance Learning (2020). Star Assessments™ for Reading Technical Manual. Wisconsin Rapids, WI: Author. Available by request to research@renaissance.com.
- Describe the degree to which the provided data support the validity of the tool.
- The provided data indicate that Star Reading results correspond to other various respected measures of general reading ability
- Do you have validity data that are disaggregated by gender, race/ethnicity, or other subgroups (e.g., English language learners, students with disabilities)?
- No
If yes, fill in data for each subgroup with disaggregated validity data.
Type of | Subgroup | Informant | Age / Grade | Test or Criterion | n | Median Coefficient | 95% Confidence Interval Lower Bound |
95% Confidence Interval Upper Bound |
---|
- Results from other forms of validity analysis not compatible with above table format:
- Manual cites other published reliability studies:
- No
- Provide citations for additional published studies.
Bias Analysis
Grade |
Grade 1
|
Grade 2
|
Grade 3
|
Grade 4
|
Grade 5
|
Grade 6
|
Grade 7
|
Grade 8
|
Grade 9
|
Grade 10
|
Grade 11
|
---|---|---|---|---|---|---|---|---|---|---|---|
Rating | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
- Have you conducted additional analyses related to the extent to which your tool is or is not biased against subgroups (e.g., race/ethnicity, gender, socioeconomic status, students with disabilities, English language learners)? Examples might include Differential Item Functioning (DIF) or invariance testing in multiple-group confirmatory factor models.
- Yes
- If yes,
- a. Describe the method used to determine the presence or absence of bias:
- Logistic regression analyses conditional on ability, group membership, and ability by group interaction were conducted to assess the presence of both uniform and non-uniform DIF simultaneously. Additionally, an effect size measure – Nagelkerke R-squared – was computed to quantify the magnitude of DIF where present.
- b. Describe the subgroups for which bias analyses were conducted:
- DIF analyses were conducted for gender (males and females) and race/ethnicity (Caucasian, African American, American Indian, Asian, and Hispanic subpopulations). Due to insufficient samples sizes on English Language Learner (ELLs) and students with disabilities (SWD), DIF analyses for these two subgroups were not possible at the time of the analyses.
- c. Describe the results of the bias analyses conducted, including data and interpretative statements. Include magnitude of effect (if available) if bias has been identified.
- Using a blended criterion that flagged items for uniform/non-uniform DIF if they had a p-value less than 0.01 and Nagelkerke R2 greater than or equal to 0.035, the results indicated that Star Reading is sufficiently bias-free. A total of 153 items (2% of the Star Reading items) were flagged for DIF. Those flagged items were removed from the item banks for review and recalibration.
Data Collection Practices
Most tools and programs evaluated by the NCII are branded products which have been submitted by the companies, organizations, or individuals that disseminate these products. These entities supply the textual information shown above, but not the ratings accompanying the text. NCII administrators and members of our Technical Review Committees have reviewed the content on this page, but NCII cannot guarantee that this information is free from error or reflective of recent changes to the product. Tools and programs have the opportunity to be updated annually or upon request.