Inferential tests: Mann-Whitney U test

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What kind of inferential test is Mann-Whitney, and what kind of method is it used for?
It's a 'test of difference', which enables use to consider whether 2 samples of data are different or not. They're used for experiments.
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What is an independent groups design? Give an example.
2 groups of participants. Group 1 - participants revise in a silent room and are tested. Group 2 - participants revise in a noisy room and are tested.
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What is a repeated measures design? Give an example.
2 conditions. Condition 1 - participants revise in a silent room and are tested. Condition 2 - participants revise again in a noisy room and are tested.
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Is the Mann-Whitney test used for independent groups design or repeated measures?
Independent groups design.
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What is one suggestion of the process of falling in love? Give an example/
It's a physiological arousal of your sympathetic nervous system. A man or woman who meets a potential partner after an exciting football game is more likely to fall in love than on a routine day, or when they have experienced disappointment.
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What are the 2 components behind falling in love?
Arousal and label.
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What is the first step of this test?
State the alternative and null hypothesis.
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What is the second step?
Record the data in a table and allocate points. Consider each score 1 at time and compare it to the other group. Give 1 point for every score that is higher than the target, and 1/2 a point for every equal score.
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What is the third step?
Find the observed value. It's the lower total number of points.
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What is the fourth step?
Find the critical value of U.
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What is the final step?
State the conclusion.
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When would you use the Mann-Whitney test?
If the hypothesis states a difference between 2 sets of data, the sets of data are from separate groups of participants, and the data are ordinal or interval.
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Card 2

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What is an independent groups design? Give an example.

Back

2 groups of participants. Group 1 - participants revise in a silent room and are tested. Group 2 - participants revise in a noisy room and are tested.

Card 3

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What is a repeated measures design? Give an example.

Back

Preview of the front of card 3

Card 4

Front

Is the Mann-Whitney test used for independent groups design or repeated measures?

Back

Preview of the front of card 4

Card 5

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What is one suggestion of the process of falling in love? Give an example/

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