Why do we find the difference between pairs of scores (compute difference scores) before computing the test

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Why do we find the difference between pairs of scores (compute difference scores) before computing the test statistic for a related-samples t test? Question 17 options: Computing difference scores eliminates the between-persons error, thereby decreasing the power of the test Computing difference scores eliminates the between-persons error, thereby increasing the power of the test

Posted Date: May 18, 2024 05:12 PM

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Why do we find the difference between pairs of scores (compute difference scores) before computing the test

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