Wilcoxon Signed Rank Test Flashcards
1
Q
When is Wilcoxon Signed Rank Test used?
A
- When an experiment uses a repeated measures design
- Comparing performance in two conditioning
2
Q
Steps of Wilcoxon Signed Rank Test
A
STEP 1:
- State the alternate hypothesis
STEP 2:
- Calculate differences between each score
- Rank the difference from low to high (ignore signs)
- If two or more of the same number are present calculate the rank by working out the mean of the ranks that would of been given
STEP 3:
- Add up all the ranks for positive differences
- Add up the all rank for negative differences
- T is the figure that is the smallest when the ranks are added up
