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ERIC Number: EJ126981
Record Type: Journal
Publication Date: 1975
Pages: N/A
Abstractor: N/A
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The Effects of Guttman Weights on the Reliability and Predictive Validity of Objective Tests When Omissions Are Not Differentially Weighted
Raffeld, Paul
Journal of Educational Measurement, 12, 3, 179-85, F 75
Results support the contention that a Guttman-weighted objective test can have psychometric properties that are superior to those of its unweighted counterpart, as long as omissions do not exist or are assigned a value equal to the mean of the k item alternative weights. (Author/BJG)
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