ERIC Number: EJ004512
Record Type: Journal
Publication Date: 1969
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A Computer Program to Evaluate Item Performance by Internal and External Criteria in a Longitudinal Testing Program Using Item Sampling.
Gorth, W.; and others
Educ Psychol Meas, 29, 1, 181[183, 69 Spr
Research performed pursuant to a grant from the Charles F. Kettering Foundation.
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