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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: EJ037305
Record Type: CIJE
Publication Date: 1971
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
Effects of Systematic Variations in Reinforcement Contingencies on Learner Performance
Sullivan, Howard J.; And Others
American Educational Research Journal, 8, 1, 135-42, Jan 71
Descriptors: Academic Achievement, College Students, Comparative Testing, Feedback, Instructional Materials, Reinforcement, Teaching Methods
Publication Type: N/A
Education Level: N/A
Audience: N/A
Language: N/A
Sponsor: N/A
Authoring Institution: N/A
Identifiers: Reserve Officers Training Corps