Item Analysis

Item analysis is the set of qualitative and quantitative techniques and procedures used to evaluate the characteristics of items of the measurement instrument (i.e., test, survey) before and after its development and construction. An item is a fundamental building block of an instrument, and its analysis provides information about its performance. Item analysis allows selecting or omitting items from the instrument, but more important, item analysis is a tool to help the measurer improve the measurement instrument. In an educational measurement context—which is the main focus here—common uses of an item analysis might be estimating whether an item functions as intended, providing feedback to students about their performance, providing feedback to the teacher about students’ challenges and ideas for curriculum improvement, revising assessment tasks, ...

  • Loading...
locked icon

Sign in to access this content

Get a 30 day FREE TRIAL

  • Watch videos from a variety of sources bringing classroom topics to life
  • Read modern, diverse business cases
  • Explore hundreds of books and reference titles