Second, we discuss in full the intervention's effects on the 40 percent of students surveyed who could recall ever seeing ECO materials. (educationnext.org)
Because poverty predicts risk for school adjustment problems, low achievement, crime, and other problem behaviors, the effects of the full intervention on children from poor families were investigated using logistic and linear regression methods as appropriate, with terms for intervention and free lunch eligibility as main effects and an interaction term for intervention by participation in the free lunch program. (jamanetwork.com)
This was paralleled by a nonsignificant trend toward less drinking and driving in the full intervention group. (jamanetwork.com)