How Does the Test Statistic Differ for a T Test

question 9

Multiple Choice

How does the test statistic differ for a t test using the repeated measures versus the matched-samples design?

• A) Using the matched-samples design, we analyze raw scores, whereas using the repeated measures, we analyze difference scores before computing the test statistic for the related-samples t test.
• B) Using the repeated-measures design, we analyze raw scores, whereas using the matched-samples design, we analyze difference scores before computing the test statistic for the related-samples t test.
• C) Using the repeated-measures design, we treat each pair of scores as related; we do not treat each pair of scores as related using the matched-samples design.
• D) The test statistic for the repeated measures and the matched-samples design does not differ; the test statistic is computed the same.

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