In this article we propose several modeling choices to extend propensity score analysis to clustered data. We describe different possible model specifications for estimation of the propensity score: single-level model, fixed effects model, and two random effects models. We also consider both conditioning within clusters and conditioning across…

Providing a meaningful and experiential learning environment for all students has long created a concern for alternate ways to teach students who are reportedly demonstrating non-mastery on state standardized assessments. As the benchmark for showing successful academic achievement increases, so does the need for discovering effective ways for…

The purpose of this investigation was to ascertain the effectiveness of Captain's Log, a computerized cognitive-training program designed to improve attention and reduce impulsivity. Participants consisted of 48 children in third through sixth grades, nominated by teachers for classroom behavior that interfered with their learning. Students were…