This article proposes a latent variable regression four-level hierarchical model (LVR-HM4) that uses a fully Bayesian approach. Using multisite multiple-cohort longitudinal data, for example, annual assessment scores over grades for students who are nested within cohorts within schools, the LVR-HM4 attempts to simultaneously model two types of…

The study analyzes the achievement trends of all third grade students in the state of Illinois who scored in the Exceeds category in reading and mathematics on the Illinois Standards Achievement Test (ISAT) in the year 2000. ISAT performance of this cohort group of students was followed through the eighth grade. Descriptive analyses were utilized…

The Education Policy Institute (EPI) conducted an analysis of recent academic data collected from 24 KIPP (Knowledge is Power Program) schools on behalf of the KIPP Foundation. The purpose of this study was to evaluate these data to determine whether KIPP schools have had a positive impact on the student learning of 5th-grade students as…