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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

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Mahimuang, Sucheera – Educational Research for Policy and Practice, 2005
This study aimed to demonstrate an approach to measuring the value-added contribution to academic achievement made by education, and to identify the direct and indirect effects of a school's practices and its contexts. Multilevel modeling using hierarchical linear model (HLM) was employed to adjust the effect of pupil background characteristics…
Descriptors: Causal Models, Academic Achievement, Grade 6, Grade 4