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Research methods

Inferential tests

Choosing a statistical test

If the study was investigating a correlation then the spearman's rank test
should be used. If the study was investigating a significance difference
between two groups then the level of data used in the investigation must be
If the data used…

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Research methods

value then there is a significant difference between the two groups tested.

Mann Whitney U test

Used in an experiment as we are looking for differences between two variables
and is used with ordinal data, when an independent sample design is used. A value
for U is calculated.…


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