## Applications of Item Response Theory to Practical Testing ProblemsFirst published in 1980. Routledge is an imprint of Taylor & Francis, an informa company. |

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### Contents

Applications of Item Response Theory | 81 |

Practical Problems and Further Applications | 177 |

Estimating TrueScore Distributions | 233 |

265 | |

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### Common terms and phrases

ability level ability scale approximation asymptotic binomial Chapter classical test theory compute conditional distribution conventional test correct answers correlation cutting score denoted difficulty level discriminating power distribution of ability effect error of measurement examinee's ability F. M. Lord flexilevel test formula score frequency distribution given group of examinees group tested guessing information curves item characteristic curve item difficulty item parameters item response function item response theory item scores joint distribution likelihood function logistic function logistic model mastery test mathematical maximum likelihood estimate methods normal ogive normally distributed number of items number-right score observed score obtained omitted percentile practical procedure Psychological random Rasch model regression relative efficiency routing test scoring weights second-stage tests Section standard error sufficient statistic Table tailored testing test characteristic curve test information function test items test score transformation true score two-stage test values verbal test