## Controversies in item response theory |

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### Contents

The basic idea | 1 |

The functional form of the ICC | 3 |

How many item parameters? | 5 |

20 other sections not shown

### Common terms and phrases

ability estimates able student Albanese alternative Angoff and Schrader answered correctly C.F. Turner choice Choppin cognitive cognitive psychology correct answer correct option correction for guessing Cressie distractors Editor Educational Measurement Educational Research Educational Testing Educational Testing Service Embretson empirical equation 1.1 examination example Frary functional form GMAT Goldstein Hambleton and Swaminathan ICC's incorrect interpretation IRT models item characteristic curve item parameter item response theory ject Journal of Educational Koeslag latent class models latent trait models likelihood function location parameter logistic logistic function low-ability lower asymptote Mathematical mismatch theory monotone multiple-choice items multiple-choice tests number of items partial information probability of success problem psychometric Psychometrika random guessing Rasch model rect response patterns Roskam Rundle Mall Samejima Scholastic Aptitude Test score set of items skills sponse modelling Statistical Psychology sufficient statistic Swaminathan 1985 test items test theory three-parameter model tion unidimensionality upper asymptote wrong response