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Direct linkLin, Chuan-Ju; Chang, Hua-Hua – Educational and Psychological Measurement, 2019
For item selection in cognitive diagnostic computerized adaptive testing (CD-CAT), ideally, a single item selection index should be created to simultaneously regulate precision, exposure status, and attribute balancing. For this purpose, in this study, we first proposed an attribute-balanced item selection criterion, namely, the standardized…
Descriptors: Test Items, Selection Criteria, Computer Assisted Testing, Adaptive Testing
Lin, Chuan-Ju – Educational and Psychological Measurement, 2011
This study compares four item selection criteria for a two-category computerized classification testing: (1) Fisher information (FI), (2) Kullback-Leibler information (KLI), (3) weighted log-odds ratio (WLOR), and (4) mutual information (MI), with respect to the efficiency and accuracy of classification decision using the sequential probability…
Descriptors: Computer Assisted Testing, Adaptive Testing, Selection, Test Items
Download full textLin, Chuan-Ju – Journal of Technology, Learning, and Assessment, 2010
Assembling equivalent test forms with minimal test overlap across forms is important in ensuring test security. Chen and Lei (2009) suggested a exposure control technique to control test overlap-ordered item pooling on the fly based on the essence that test overlap rate--ordered item pooling for the first t examinees is a function of test overlap…
Descriptors: Test Length, Test Format, Evaluation Criteria, Psychometrics
Lin, Chuan-Ju – Journal of Technology, Learning, and Assessment, 2008
The automated assembly of alternate test forms for online delivery provides an alternative to computer-administered, fixed test forms, or computerized-adaptive tests when a testing program migrates from paper/pencil testing to computer-based testing. The weighted deviations model (WDM) heuristic particularly promising for automated test assembly…
Descriptors: Item Response Theory, Test Theory, Comparative Analysis, Computer Assisted Testing
Spray, Judith; Lin, Chuan-Ju; Chen, Troy T. – 2002
Automated test assembly is a technology for producing multiple, equivalent test forms from an item pool. An important consideration for test security in automated test assembly is the inclusion of the same items on these multiple forms. Although it is possible to use item selection as a formal constraint in assembling forms, the number of…
Descriptors: Computer Assisted Testing, Item Banks, Test Construction, Test Format
Huang, Chi-Yu; Kalohn, John C.; Lin, Chuan-Ju; Spray, Judith – 2000
Item pools supporting computer-based tests are not always completely calibrated. Occasionally, only a small subset of the items in the pool may have actual calibrations, while the remainder of the items may only have classical item statistics, (e.g., "p"-values, point-biserial correlation coefficients, or biserial correlation…
Descriptors: Classification, Computer Assisted Testing, Estimation (Mathematics), Item Banks
