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Lee, Minji K.; Sweeney, Kevin; Melican, Gerald J. – Educational Assessment, 2017
This study investigates the relationships among factor correlations, inter-item correlations, and the reliability estimates of subscores, providing a guideline with respect to psychometric properties of useful subscores. In addition, it compares subscore estimation methods with respect to reliability and distinctness. The subscore estimation…
Descriptors: Scores, Test Construction, Test Reliability, Test Validity
Reilly, Richard R. – 1972
Because previous reports have suggested that the lowered validity of tests scored with empirical option weights might be explained by a capitalization of the keying procedures on omitting tendencies, a procedure was devised to key options empirically with a "correction-for-guessing" constraint. Use of the new procedure with Graduate…
Descriptors: Correlation, Data Analysis, Guessing (Tests), Mathematical Applications
Rest, James R. – 1975
This paper describes the rationale for the Defining Issues Test (DIT), an objective test of moral judgment which attempts to improve upon three aspects of Kohlberg's research: data collection, categorization of moral judgments (the scoring system), and method of indexing a subject's progress in a developmental sequence. In each case, the way in…
Descriptors: Comparative Analysis, Data Analysis, Data Collection, Human Development