Extending conventional value-added models (VAM) of teacher effects that focus on the estimation of average effects for excellence, this study examines "distributive" effects for equity. Using multilevel regression models, the study addresses two research questions to inform educational policy for teacher improvement and accountability.…

In this article, several ways to adjust gross school effects are discussed to set the stage for estimating treatment effects in schooling. Although it is quite hazardous to hypothesize realistic benchmarks for results from meta-analyses, because of the dependency of effect sizes on subject matter area, grade level, and study characteristics, a…

The consensus among education researchers is that value-added models are most appropriate for assessing the relative effectiveness of schools, teachers, or programmes for student learning. The preferred value-added model adjusts for prior achievement, but there is a variety of other specifications that may or may not include prior achievement.…

The current study explored the size, stability, and consistency of school effects, using 2 effectiveness indicators: achievements of students at the end of primary school and growth in achievement across 3 years of schooling. The sample consisted of the scores of 25,269 students on 3 subjects, taken in Grades 4 to 6 among 3 cohorts in 319 primary…