Item Analysis

Item analysis is a technique which evaluates the effectiveness of items in tests. The two principal measures used in item analysis are item difficulty and item discrimination.


4 Responses to Item Analysis

  1. carmie ye says:

    How to know upper and lower group?

    • Charles says:

      What to put in the upper and lower groups is up to you. You can pick any cutoff values you choose. Often it is the top 1/3 and the bottom 1/3.

  2. Bekhal says:

    Dear Charles ,
    what is the formula of Difficulty Level for test items ,because I am M.A student and I have to show the difficulty level of my test items.I have 60 items and I have to show the difficulty level of each item !
    your cooperation is highly appreciated
    bekhal /Iraq

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