Which of the following is a disadvantage of longitudinal studies?
A) the development of "test-wise" subjects
B) the complication of interpretation of differences between groups
C) the sample of subjects over the course of the research stays the same
D) the cost of conducting a longitudinal study is relatively low

Question

Quizplus · Accepted Answer

Longitudinal studies can lead to the development of "test-wise" subjects who become familiar with the testing procedures and may alter their behavior and responses accordingly, compromising the validity of the study.

Which of the Following Is a Disadvantage of Longitudinal Studies