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Keeves, John P.; Hungi, Njora; Afrassa, Tilahun – Studies in Educational Evaluation, 2005
This article traces the evolution of a quest for solving the problems involved in the analysis of multilevel data and the estimation of the value added effects of schools in influencing educational outcomes. The authors report the findings of two studies that followed several cohorts of students that were tested at two grade levels (Grade 3 and…
Descriptors: Program Effectiveness, Grade 5, Grade 3, Scaling