In multisite trials, learning about treatment effect variation across sites is critical for understanding where and for whom a program works. Unadjusted comparisons, however, capture "compositional" differences in the distributions of unit-level features as well as "contextual" differences in site-level features, including…

This study conducted a randomized trial to examine the efficacy of the Boys Town In-Home Family Services (IHFS) program for families of high-risk youth. Participants were recruited from a state helpline for families struggling with poor family functioning and child emotional or behavioral issues. Consent was obtained for 300 of which 152 were…

Background: Excessive student anxiety is a common problem that severely impairs short- and long-term academic functioning and increases teacher burden. Reducing student anxiety has been associated with improvement in educational functioning. Because anxiety manifests daily in the classroom, teachers are in an ideal position to identify and help…