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A Primer of Item Response Theory. Technical Report 940279 [microform] / Thomas A. Warm
Bib ID 5367719
Format BookBook, MicroformMicroform, OnlineOnline
Author
Warm, Thomas A
 
Online Versions
Description [Washington, D.C.] : Distributed by ERIC Clearinghouse, 1978 
155 p. 
Summary

This primer is an introduction to item response theory (also called item characteristic curve theory, or latent trait theory) as it is used most commonly--for scoring multiple choice achievement or aptitude tests. Written for the testing practitioner with minimum training in statistics and psychometrics, it presents and illustrates the basic mathematical concepts needed to understand the theory. Then, building upon those concepts, it develops the basic concepts of item response theory: item parameters, item response function, test characteristic curve, item information functions, test information curve, relative efficiency curve, and score information curve. The maximum likelihood and Bayesian modal estimates of ability are described with illustrative examples. After a discussion of assumptions and available computer programs, some practical applications are presented, i.e. equating scales, tailored testing, item cultural bias, and setting pass-fail cut-offs. (Author/CP)

Notes

Availability: National Technical Information Service, Springfield, Virginia 22161 (AD-A063072, MF $3.00, HC $8.00).

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 Ability Identification.  |  Achievement Tests.  |  Adaptive Testing.  |  Aptitude Tests.  |  Bayesian Statistics.  |  Computer Programs.  |  Cutting Scores.  |  Equated Scores.  |  Item Analysis.  |  Latent Trait Theory.  |  Maximum Likelihood Statistics.  |  Multiple Choice Tests.  |  Probability.  |  Psychometrics.  |  Scoring Formulas.  |  Statistical Analysis.  |  Test Bias.  |  Test Interpretation.  |  Textbooks.
Form/genre Guides, Classroom
Other authors/contributors Coast Guard Inst., Oklahoma City, OK
Available From ERIC 

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