Skip to main content
. Author manuscript; available in PMC: 2022 May 9.
Published in final edited form as: Prev Sci. 2021 Oct 29;23(4):513–522. doi: 10.1007/s11121-021-01315-7

Table 1.

Descriptive statistics

Variables M (SD)

Self-Control Items

Concentrates 4.00 (1.5)
Pays attention 4.08 (1.5)
Works Hard 4.11 (1.5)
Stays on Task 3.96 (1.6)
Waits for Turn 4.21 (1.53)
Easily Distracted 3.08 (1.64)
Mind Wanders 2.89 (1.54)
Can’t sit still 2.33 (1.57)
Out of seat, runs around 1.80 (1.27)
Always on the go 2.17 (1.52)
Interrupts or intrudes on others 2.04 (1.30)
Blurts out answer 2.02 (1.28)

Scholastic Competence

Academic Self-Efficacy 6th grade 3.01 (0.77)
Academic Self-Efficacy 7th grade 3.20 (0.75)
Academic Self-Efficacy 8th grade 3.30 (0.68)
Academic Self-Efficacy 9th grade 3.38 (0.65)
Academic Self-Efficacy 10th grade 3.41 (0.66)
Academic Self-Efficacy 11th grade 3.47 (0.61)
Academic Self-Efficacy 12th grade 3.50 (0.61)

Covariates

Sex (male) 55.1%
Race (Black) 85.3%

Intervention Status

Classroom-centered 31.9%
Family-school partnership 33.6%
Control 34.5%