Effects of Individual Optimization in Setting the Boundaries of Dichotomous Items on the Accuracy of Estimation.

Samejima, Fumiko

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Peer reviewed

ERIC Number: EJ161398

Record Type: CIJE

Publication Date: 1977

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Effects of Individual Optimization in Setting the Boundaries of Dichotomous Items on the Accuracy of Estimation

Samejima, Fumiko

Applied Psychological Measurement, 1, 1, 77-94, Win 77

The accuracy of estimation of the subjects' latent ability maintained by tailoring for each testee the order of item presentation and the border of item dichotomization was compared to the information provided by the original graded test items. (RC)

Descriptors: Ability, Adaptive Testing, Branching, Computer Assisted Testing, Computer Oriented Programs, Individual Testing, Latent Trait Theory, Mathematical Models, Maximum Likelihood Statistics, Probability, Response Style (Tests), Simulation, Test Items

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