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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: EJ178564
Record Type: CIJE
Publication Date: 1978
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
Mastery: The Essential Essential in PSI
Caldwell, E. C.; And Others
Teaching of Psychology, 5, 2, 59-65, Apr 78
Four studies examined the importance of student proctors and mastery performance in Personalized System of Instruction (PSI) programs. Results of the studies indicate that students will generally perform at the required level and that mastery of unit content is the most important element of PSI systems. (Author/AV)
Publication Type: N/A
Education Level: N/A
Audience: N/A
Language: N/A
Sponsor: N/A
Authoring Institution: N/A
Identifiers: Personalized System of Instruction