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The Effects of Guttman Weights on the Reliability and Predictive Validity of Objective Tests When Omissions Are Not Differentially Weighted
Peer reviewed Peer reviewed
Raffeld, Paul – Journal of Educational Measurement, 1975
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)
Descriptors: Multiple Choice Tests, Predictive Validity, Test Reliability, Test Validity
The Issue of Item and Test Variance for Criterion-Referenced Tests: A Clarification
Peer reviewed Peer reviewed
Millman, Jason; Popham, W. James – Journal of Educational Measurement, 1974
The use of the regression equation derived from the Anglo-American sample to predict grades of Mexican-American students resulted in overprediction. An examination of the standardized regression weights revealed a significant difference in the weight given to the Scholastic Aptitude Test Mathematics Score. (Author/BB)
Descriptors: Criterion Referenced Tests, Item Analysis, Predictive Validity, Scores
The SAT Prediction of Grades for Mexican-American Versus Anglo-American Students at the University of California, Riverside
Peer reviewed Peer reviewed
Goldman, Roy D.; Richards Regina – Journal of Educational Measurement, 1974
Descriptors: Anglo Americans, College Freshmen, Cultural Influences, Grade Prediction