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Matched pairs t test
Matched pairs t test
A matched pairs t test could be used to determine if the scores of the same participants in a study differ under different conditions. For instance, this sort of t test could be used to determine if people write better essays after taking a writing class than they did before taking the writing class.
Note: A t test is appropriate only when looking at paired data. It is useful in analyzing scores of two groups of participants on a particular variable or in analyzing scores of a single group of participants on two variables.
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