Wilcoxon Signed Ranks Test

  • Created by: Mary_07
  • Created on: 08-05-17 11:35
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  • Wilcoxon Signed Ranks Test
    • Checklist; ordinal data, repeated measures, experiment
    • Step 1; find the difference between each set of scores
    • Step 2; differences will need to be ranked
    • Step 3; look at difference column and count the positive and negative signs there are
    • Step 4; using the less frequent sign add the scores in the ranked order difference column
    • Step 5; calculate n value, the number of differences
    • Step 6; match n value to critical value table
    • Significance; observed value has to be lower than the critical value to be significant


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