- Видео 9
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Karon F. Cook
Добавлен 12 июл 2006
A Conceptual Introduction to Item Response Theory: Part 1. The Logic of IRT Scoring
This is the first in a series of 6 modules that introduces item response theory (IRT). In it the differences in IRT and classical approaches are introduced, specifically the differences in their scoring logics.
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Видео
A Conceptual Introduction to Item Response Theory: Part 5. IRT Information
Просмотров 21 тыс.11 лет назад
Part 5 introduces the idea of IRT information. Information is the analogue of reliability in classical test theory, but it has some important advantages.
A Conceptual Introduction to Item Response Theory: Part 3. Plotting Along
Просмотров 27 тыс.11 лет назад
This is the 3rd of the 6 part series. In it, we examine how item responses are related to person and item characteristics.
A Conceptual Introduction to Item Response Theory: Part 6. Applications of IRT
Просмотров 16 тыс.11 лет назад
This is the last of the 6 part module and it describes applications of IRT including: 1) scale selection and development, 2) calibrating different scales to a common metric, and 3) computer adaptive testing
A Conceptual Introduction to Item Response Theory: Part 4. Understanding Item Parameters
Просмотров 24 тыс.11 лет назад
This is the 4th module in the series. It introduces item difficulty and describes how these item characteristics affect the probabilities of item responses
A Conceptual Introduction to Item Response Theory: Part 2. IRT Is a Probability Model
Просмотров 34 тыс.11 лет назад
Part 2 of this series describes in what sense IRT is a model. In this case the model is a mathematical equation. The components of the most basic IRT model are explained to show how IRT models probability.
You are of no use to me
Просмотров 9 тыс.14 лет назад
This film has been entered into the 2011 APS Film Festival from the Association for Psychological Science at www.psychologicalscience.org.
