SAGE Reference - Encyclopedia of Research Design

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Item Response Theory

In: Encyclopedia of Research Design
Edited by: Neil J. Salkind
Subject:Research Design
Keywords:item response theory

Item response theory (IRT) is a mental measurement theory based on the postulate that an individual's response to a test item is a probabilistic function of characteristics of the person and characteristics of the item. The person characteristics are the ...

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  Salkind, N. J. (2010). Item response theory. In Encyclopedia of research design (Vol. 1, pp. 646-651). SAGE Publications, Inc., https://dx.doi.org/10.4135/9781412961288.n200
  
  Salkind, Neil J. "Item Response Theory." In Encyclopedia of Research Design, edited by Salkind, Neil J., 646-51. Thousand Oaks, CA: SAGE Publications, Inc., 2010. https://dx.doi.org/10.4135/9781412961288.n200.
  
  Salkind, N. J. 2010. Item Response Theory. In: Neil J. Salkind Editor, 2010. Encyclopedia of Research Design, Thousand Oaks, CA: SAGE Publications, Inc. pp. 646-651 Available at: <https://dx.doi.org/10.4135/9781412961288.n200> [Accessed 26 May 2022].
  
  Salkind, Neil J. "Item Response Theory." Encyclopedia of Research Design. Edited by Vol. 1. Thousand Oaks: SAGE Publications, Inc., 2010, pp. 646-51. SAGE Knowledge. 26 May 2022, doi: https://dx.doi.org/10.4135/9781412961288.n200.
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