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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.

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Peer reviewed Peer reviewed
ERIC Number: EJ628760
Record Type: CIJE
Publication Date: 2000
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: ISSN-0950-0790
Using Converging Evidence in Policy Formation: The Case of Class Size Research.
Hedges, Larry V.
Evaluation and Research in Education, v14 n3&4 p193-205 2000
Demonstrates the use of converging evidence in examining the effects of class size reduction on academic achievement. Estimates derived from three different types of evidence is mutually supportive in this instance, suggesting that the effect of class size reduction from 24 to 15 produces modest, but lasting, increases in academic achievement. (SLD)
Descriptors: Academic Achievement, Class Size, Educational Policy, Elementary Education, Evaluation Methods, Policy Formation, Program Evaluation
Publication Type: Journal Articles; Reports - Evaluative; Speeches/Meeting Papers
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: Evidence Based Practice
Note: Special issue titled "Evidence-based Policies and Indicator Systems." Papers in this special issue were presented at one of two conferences of the same name held at the University of Durham, England, in 1997 and 1999.