Flowchart
Mann Whitney (U) Test
Flowchart content
Mann-Whitney Test (U)
Criteria for Use
Independent Measures Design & Ordinal Level Data
Ua Formula
Condition A
Participant
Rating
Rank
Condition B
Participant
Rating
Rank
1
2
3
4
5
6
4
5
2
9
2
6
3
4
1.5
7.5
1.5
5
1
2
3
4
5
6
12
8
9
10
11
14
11
6
7.5
9
10
12
Total (Ra) =
22.5
55.5
Total (Rb) =
Ub Formula
Writing Your Results
U = 1.5, (Na = 6, Nb = 6) , p ≤ 0.05
Procedure
1. Write out participant scores and rank them all as one
2. Calculate the rank totals (Ra and Rb)
3. Plug these into the above formulae
4. Take U to be the smallest of Ua and Ub
Information
- Description
- A level Psychology (Component One: Research Methods) Flowchart on Mann Whitney (U) Test, created by Jordan Best on 06/11/2017.
- Created by
- Jordan Best
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