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Peer reviewed Peer reviewed
ERIC Number: EJ678469
Record Type: Journal
Publication Date: 2003
Pages: N/A
Abstractor: N/A
ISBN: N/A
ISSN: ISSN-0146-6216
EISSN: N/A
Optimal Stratification of Item Pools in a-Stratified Computerized Adaptive Testing.
Chang, Hua-Hua; van der Linden, Wim J.
Applied Psychological Measurement, v27 n4 p262-74 Jul 2003
Developed a method based on 0-1 linear programming to stratify an item pool optimally for use in alpha-stratified adaptive testing. Applied the method to a previous item pool from the computerized adaptive test of the Graduate Record Examinations. Results show the new method performs well in practical situations. (SLD)
Descriptors: Adaptive Testing, Computer Assisted Testing, Item Banks, Linear Programming
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers - Assessments and Surveys: Graduate Record Examinations
Grant or Contract Numbers: N/A