There are some problems with a matched groups design, including that:
A) we might over-control variables that threaten the research.
B) participant drop-out means data are discarded.
C) power is reduced due to within-group variability.
D) participants can benefit from exposure to other treatment conditions.

Question

Quizplus · Accepted Answer

Participant drop-out in a matched groups design means that if one participant from a matched pair drops out, the data from the remaining participant of the pair are typically discarded to maintain the integrity of the matched design. This can lead to a loss of valuable data.

There Are Some Problems with a Matched Groups Design, Including