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Gierl, Mark J.; Zheng, Yinggan; Cui, Ying – Journal of Educational Measurement, 2008
The purpose of this study is to describe how the attribute hierarchy method (AHM) can be used to evaluate differential group performance at the cognitive attribute level. The AHM is a psychometric method for classifying examinees' test item responses into a set of attribute-mastery patterns associated with different components in a cognitive model…
Descriptors: Test Items, Student Reaction, Pattern Recognition, Psychometrics