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Direct linkGierl, Mark J.; Cui, Ying; Zhou, Jiawen – Journal of Educational Measurement, 2009
The attribute hierarchy method (AHM) is a psychometric procedure for classifying examinees' test item responses into a set of structured attribute patterns associated with different components from a cognitive model of task performance. Results from an AHM analysis yield information on examinees' cognitive strengths and weaknesses. Hence, the AHM…
Descriptors: Test Items, True Scores, Psychometrics, Algebra
Download full textHaberman, Shelby J. – ETS Research Report Series, 2005
In educational tests, subscores are often generated from a portion of the items in a larger test. Guidelines based on mean-squared error are proposed to indicate whether subscores are worth reporting. Alternatives considered are direct reports of subscores, estimates of subscores based on total score, combined estimates based on subscores and…
Descriptors: Scores, Test Items, Error of Measurement, Computation
Peer reviewedButler, Richard P.; McCauley, Clark – Journal of Educational Psychology, 1987
Compared with data from civilian institutions, data from two graduating classes at the United States Military Academy showed extrordinary stability of independently calculated grade point averages from freshman to senior years and no decline in the validity of Scholastic Aptitude Tests and high school class rank as predictors of these GPAs over…
Descriptors: Class Rank, Correlation, Generalizability Theory, Grade Point Average
