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Estimating Ability with the Wrong Model [microform] / Howard Wainer and David Thissen
Bib ID 5458688
Format BookBook, MicroformMicroform, OnlineOnline
Author
Wainer, Howard
 
Online Versions
Description [Washington, D.C.] : Distributed by ERIC Clearinghouse, 1985 
80 p. 
Summary

Using simulated item response data, the performance of several "robust" and conventional schemes for ability estimation was evaluated in conjunction with logistic item response theory models (one, two, and three parameter models). The simulated item response data were generated using a model that is more complex than are the usual logistic models; therefore, all three models were fundamentally (and realistically) "wrong." Consideration was given to estimation with a few responses (four) and with large numbers (20 and 40). With few item responses, the relative "wrongness" of the model had little effect, whereas the choice of estimator had more serious consequences. With many items, the choice of item response model made more difference than did the choice of estimator. Implications of these findings for computerized adaptive testing are discussed. (Author)

Notes

Sponsoring Agency: Air Force Human Resources Lab., Brooks AFB, TX. Manpower and Personnel Div.

Researchers.

May also be available online. Address as at 14/8/18: https://eric.ed.gov/

Reproduction Microfiche. [Washington D.C.]: ERIC Clearinghouse microfiches : positive. 
Subjects Adaptive Testing.  |  Adults.  |  Computer Assisted Testing.  |  Error of Measurement.  |  Estimation (Mathematics)  |  Latent Trait Theory.  |  Mathematical Models.  |  Predictive Measurement.  |  Simulation.  |  Armed Services Vocational Aptitude Battery Robustness  |  Three Parameter Model
Form/genre Reports, Research.
Other authors/contributors Thissen, David, author  |  Educational Testing Service, Princeton, NJ
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