item analysis

  1. L

    Should I use item analysis or DFA?

    Hi I am working a study that is looking at if items on a anxiety questionnaire that's most often used with adults is applicable to young children as well. I want to find out which questions I can remove from this survey to make it more applicable to kids. For example, one question would be if...
  2. L

    Is item analysis the correct test to use?

    Hi I am working a study that is looking at if items on a anxiety questionnaire that's most often used with adults is applicable to young children as well. I want to find out which questions I can remove from this survey to make it more applicable to kids. For example, one question would be if...
  3. G

    Calculating Item Discrimination Index for a Likert Questionnaire

    I am currently in the early stages of developing a scale that measures prejudicial attitudes. I have just run a pilot study with the first draft of the questionnaire, and I am now in the process of trying to narrow it down to a smaller number of questions. Right now, I am trying to do item...