A problem with cross-sectional research is that _____.
A) there could be cohort effects, as each has unique life experiences
B) retesting leads older subjects to do better
C) the most intelligent people are most likely to drop out of the study
D) the results tend not to be worth the large investment

Question

Quizplus · Accepted Answer

Cross-sectional research compares individuals of different ages at a single point in time, which can lead to cohort effects because each age group has unique life experiences.

A Problem with Cross-Sectional Research Is That _____