If you find that there is a logical reason to pair the scores from the two groups in a two-group experiment, you know whether
A) the design is a paired-samples or an independent-samples design
B) to use hypothesis testing or confidence intervals
C) to use a one-tailed or two-tailed test
D) all of the descriptive alternatives are correct.

Question

Quizplus · Accepted Answer

Finding a logical reason to pair scores from two groups indicates that the design is a paired-samples design, as it suggests a direct comparison between matched pairs or the same subjects under different conditions. This does not directly inform the choice between hypothesis testing or confidence intervals (B), nor does it dictate the use of a one-tailed or two-tailed test (C).

If You Find That There Is a Logical Reason to Pair