Bernadette, a participant in a longitudinal study, became quite familiar with the test over time and, as a result, her performance improved. This limitation of longitudinal research is known as
A) biased sampling.
B) practice effects.
C) random assignment.
D) cohort effects.

Question

Quizplus · Accepted Answer

Practice effects refer to the improvement in performance of participants in a study due to familiarity with the test or task over time. This is a limitation of longitudinal research because it can affect the accuracy and generalizability of the results. The other options, biased sampling, random assignment, and cohort effects, are not directly related to this limitation.

Bernadette, a Participant in a Longitudinal Study, Became Quite Familiar