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A Computer Program for Equating Two Rasch-Calibrated TestsEducational Services Division,Heartland Education Agency, Ankeny, Iowa The computer program (LINK) described calculates item difficulties for common or paired test items on two Rasch calibrated tests. In addition, it re-calibrates the test item difficulties for all non-paired test items and centers all items onto a common scale.
Educational and Psychological Measurement, Vol. 41, No. 1,
201-203 (1981) |
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