Denise Gottfredson

 In this study, researchers proposed to learn if an enhanced middle school after-school program improved academic performance and the behavior of students in grades 6 to 8 relative to a treatment-as-usual control group. In addition to providing supervision of children while parents are working, after-school programs are often intended to improve academic performance and to alter related student behavior such as attendance, drug use, and conduct. Yet, as of 2005, rigorous research on the eff...