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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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ERIC Number: EJ050339
Record Type: CIJE
Publication Date: 1971
Pages: N/A
Abstractor: N/A
Reference Count: N/A
ISBN: N/A
ISSN: N/A
Expanding the Stake Model to Increase Information Yield About New Educational Products
Borich, Gary D.
Educational Technology, 11, 12, 21-23, Dec 71
The purpose of this article is to examine the way in which variables are assigned to determine the variance between or relationships within products and to suggest a method by which an evaluating agency can expand the information yielded from educational product analyses." (Author/AK)
Descriptors: Evaluation Methods, Instructional Materials, Methods, Models
Publication Type: N/A
Education Level: N/A
Audience: N/A
Language: N/A
Sponsor: N/A
Authoring Institution: N/A
Identifiers: N/A