If you find that there is a logical reason to pair the scores from the two groups in a two-group experiment, you know that you
A) have an independent-samples design
B) have a paired-samples design
C) should use a two-tailed critical value
D) can use confidence intervals but not hypothesis testing.

Question

Quizplus · Accepted Answer

When there is a logical reason to pair the scores from two groups in an experiment, it indicates a paired-samples design. This design involves comparing two means for a single group before and after an intervention, or comparing pairs of similar subjects across two different conditions.

If You Find That There Is a Logical Reason to Pair