Selecting related samples can be more practical in that selecting related samples may provide a better way to test your hypotheses.

Question

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Selecting related samples can increase the power of the statistical tests and can provide a better way to test specific hypotheses that require comparisons within or between groups. This is because related samples may share common characteristics or influences that can reduce variation and increase precision in the analysis. However, selecting related samples may also introduce bias or confounding factors that need to be carefully controlled for in the study design and analysis.

Selecting Related Samples Can Be More Practical in That Selecting