Then/Now (retrospective pretest) study

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    Dr. Andrew Kemp
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    I am currently working on a project that involves a Then/Now questionnaire.  At the end of a program, a group was asked what they knew about a topic Then (at the beginning) and Now (at the end).  I used a t-test to analyze the results.  Can anyone suggest another analysis technique?    In addition, a factor analysis was conducted. 

     

    There were issues with the possibility of a Type I error and a Bonferroni Adjustment was made.  I would prefer to not just use descriptives….

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