Fitting Item Response Theory Models to Two Personality Inventories: Issues and Insights.

Chernyshenko, Oleksandr S.; Stark, Stephen; Chan, Kim-Yin; Drasgow, Fritz; Williams, Bruce

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Peer reviewed

ERIC Number: EJ648246

Record Type: Journal

Publication Date: 2001

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ISSN: ISSN-0027-3171

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Fitting Item Response Theory Models to Two Personality Inventories: Issues and Insights.

Chernyshenko, Oleksandr S.; Stark, Stephen; Chan, Kim-Yin; Drasgow, Fritz; Williams, Bruce

Multivariate Behavioral Research, v36 n4 p523-562 2001

Compared the fit of several Item Response Theory (IRT) models to two personality assessment instruments using data from 13,059 individuals responding to one instrument and 1,770 individuals responding to the other. Two- and three-parameter logistic models fit some scales reasonably well, but not others, and the graded response model generally did not fit well. The nonparametric formula scoring models provided the best fit of the models considered. (SLD)

Descriptors: Adults, Comparative Analysis, Goodness of Fit, Item Response Theory, Mathematical Models, Nonparametric Statistics, Personality Measures, Scoring

Publication Type: Journal Articles; Reports - Research

Education Level: N/A

Audience: N/A

Language: English

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