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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

Showing all 5 results
Professional Communities and Student Achievement--A Meta-Analysis
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Lomos, Catalina; Hofman, Roelande H.; Bosker, Roel J. – School Effectiveness and School Improvement, 2011
In the past 3 decades, the concept of professional community has gained considerable momentum in the theoretical and empirical studies in this field. At the same time, the concept has faced conceptual and methodological difficulties in that as yet no universal definition has been formulated and that its operationalization differs in the various…
Descriptors: Academic Achievement, Educational Environment, Research Methodology, Meta Analysis
School Effects on Students' Progress--A Dynamic Perspective
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Guldemond, Henk; Bosker, Roel J. – School Effectiveness and School Improvement, 2009
School effects on students' achievement are relatively small. Another approach, in which students' growth trajectories are the focal point of interest, is able to demonstrate more sizeable school effects. This approach is applied in a study into school compositional effects. The rationale of this study is that in Dutch primary education such…
Descriptors: Foreign Countries, Effect Size, Educational Opportunities, Cohort Analysis
Much More than the Effective Classroom: A Lifetime of Research, Evaluation, Improvement, and Dissemination
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Maslowski, Ralf; Doolaard, Simone; Bosker, Roel J. – School Effectiveness and School Improvement, 2008
This paper tries to depict important elements of the professional career of Bert P.M. Creemers. Starting from his early work on teaching styles and its effects on students' initial reading, it is shown that there are consistent patterns in his work. These come to the fore in his widely cited "The Effective Classroom" (1994) but also in the many…
Descriptors: Educational Change, Educational History, Educational Improvement, Evidence
Time for Self-Criticism: On the Viability of School Effectiveness Research.
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Scheerens, Jaap; Bosker, Roel J.; Creemers, Bert P. M. – School Effectiveness and School Improvement, 2001
School-effectiveness research (SER) has an instrumental orientation. Although critics claim otherwise, SER researchers usually consider students'"innate" background characteristics when studying schools. Theory formation, foundational issues, and research viability are being addressed. The field is definitely alive and kicking, despite numerous…
Descriptors: Effective Schools Research, Elementary Secondary Education, Equal Education, Foreign Countries
School Differences in Producing Gender-Related Subject Choices.
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Bosker, Roel J.; Dekkers, Hetty P. J. M. – School Effectiveness and School Improvement, 1994
Summarizes results of a longitudinal study on the development of mathematics achievement and choice behavior of boys and girls aged 12 to 15 in (Dutch) secondary schools. Although gender differences in choosing mathematics as a final examination project do exist, they can only partially be explained by differences in math achievement. (Contains 18…
Descriptors: Differences, Early Adolescents, Foreign Countries, Institutional Characteristics