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A Method of Estimating Item Characteristic Functions using the Maximum Likelihood Estimate of Ability

Published online by Cambridge University Press:  01 January 2025

Fumiko Samejima
Fumiko Samejima*
Affiliation:
University of Tennessee
*
Requests for reprints should be sent to Fumiko Samejima, Department of Psychology, 304C Austin Peay Hall, University of Tennessee, Knoxville, Tennessee 37916.
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Abstract

A method of estimating item characteristic functions is proposed, in which a set of test items, whose operating characteristics are known and which give a constant test information function for a substantially wide range of ability, are used. The method is based on the maximum likelihood estimates of ability for a group of several hundred examinees. Throughout the present study the Monte Carlo method is used.

Keywords

latent traittest theory
Type
Original Paper
Information
Psychometrika , Volume 42 , Issue 2 , June 1977 , pp. 163 - 191
Copyright
Copyright © 1977 The Psychometric Society

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References

Reference Note

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