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Direct linkHecht, Martin; Weirich, Sebastian; Siegle, Thilo; Frey, Andreas – Educational and Psychological Measurement, 2015
Multiple matrix designs are commonly used in large-scale assessments to distribute test items to students. These designs comprise several booklets, each containing a subset of the complete item pool. Besides reducing the test burden of individual students, using various booklets allows aligning the difficulty of the presented items to the assumed…
Descriptors: Measurement, Item Sampling, Statistical Analysis, Models
Download full textLorton, Paul, Jr.; Searle, Barbara W. – 1976
A linear regression model was used to select items from a pool of 700 arithmetic word problems to be used in a computer-assisted mathematics curriculum for elementary school students. The experimental procedure first involved a stepwise linear regression analysis of a student's performance over a set of 25 problems. The probability correct for…
Descriptors: Computer Assisted Instruction, Computer Oriented Programs, Correlation, Elementary School Mathematics
