A matched pairs experiment decreases variability (compared to two independent samples).

Name: A matched pairs experiment decreases variability (compared to two independent samples).
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Matched pairs experiments involve using the same individuals for both treatments, which reduces the variability due to individual differences between the groups. In contrast, two independent samples can have more variability due to differences in the characteristics of the individuals in each sample.

A Matched Pairs Experiment Decreases Variability (Compared to Two Independent