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Peer reviewed Peer reviewed
ERIC Number: EJ548350
Record Type: CIJE
Publication Date: 1997
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: ISSN-0013-1644
The Effect of Population Distribution and Method of Theta Estimation on Computerized Adaptive Testing (CAT) Using the Rating Scale Model.
Chen, Ssu-Kuang; And Others
Educational and Psychological Measurement, v57 n3 p422-39 Jun 1997
A simulation study explored the effect of population distribution on maximum likelihood estimation (MLE) and expected a posteriori (EAP) estimation in computerized adaptive testing based on the rating scale model of D. Andrich (1978). The choice between EAP and MLE for particular situations is discussed. (SLD)
Descriptors: Ability, Adaptive Testing, Computer Assisted Testing, Estimation (Mathematics), Maximum Likelihood Statistics, Population Distribution, Rating Scales, Simulation
Publication Type: Journal Articles; Reports - Evaluative
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: Expected A Posteriori Tests