Sample size: 241 students (121 program, 120 control)
Risk Status: Ratings were made on proactive and reactive aggressive behavior, and eligible children scored in the top 30%.
Demographics:
|
Program |
Control |
||
Number |
Percentage |
Number |
Percentage |
|
Grade level |
||||
Kindergarten |
||||
Grade 1 |
||||
Grade 2 |
|
|
|
|
Grade 3 |
|
|
|
|
Grade 4 |
|
|
|
|
Grade 5 |
121 |
50% |
120 |
50% |
Grade 6 |
|
|
|
|
Grade 7 |
|
|
|
|
Grade 8 |
|
|
|
|
Grade 9 |
|
|
|
|
Grade 10 |
|
|
|
|
Grade 11 |
|
|
|
|
Grade 12 |
|
|
|
|
Mean Age |
|
|
|
|
Race-ethnicity |
||||
African-American |
|
|
|
|
American Indian |
|
|
|
|
Asian/Pacific Islander |
|
|
|
|
Hispanic |
|
|
|
|
White |
|
|
|
|
Other |
|
|
|
|
Socioeconomic status |
||||
Subsidized lunch |
|
|
|
|
No subsidized lunch |
|
|
|
|
Disability status |
||||
Speech-language impairments |
||||
Learning disabilities |
||||
Behavior disorders |
||||
Intellectual disabilities |
||||
Other |
|
|
|
|
Not identified with a disability |
|
|
|
|
ELL status |
||||
English language learner |
|
|
|
|
Not English language learner |
|
|
|
|
Gender |
||||
Female |
|
|
|
|
Male |
|
|
|
|
Training of Instructors: The group sessions were led by two members of the research team, typically one doctoral-level and one master’s-level staff member. Problem-solving about group issues occurred at weekly supervision meetings.