In a cross-sectional study, a difference among groups of different ages may reflect developmental age changes; however, these differences may result from _____ effects.
A)regression
B)nonequivalent
C)propensity
D)cohort

Question

Quizplus · Accepted Answer

In a cross-sectional study, differences among groups of different ages may reflect cohort effects, which result from differences in social, historical, and cultural factors between individuals born at different times. This is different from developmental age changes, which reflect changes within individuals as they age. Regression, nonequivalent, and propensity effects are not typically associated with cross-sectional studies.

In a Cross-Sectional Study, a Difference Among Groups of Different