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Gierl, Mark J.; Wang, Changjiang; Zhou, Jiawen – Journal of Technology, Learning, and Assessment, 2008
The purpose of this study is to apply the attribute hierarchy method (AHM) to a sample of SAT algebra items administered in March 2005. The AHM is a psychometric method for classifying examinees' test item responses into a set of structured attribute patterns associated with different components from a cognitive model of task performance. An…
Descriptors: Test Items, Protocol Analysis, Psychometrics, Algebra