Sally is interested in comparing the effects of video game violence on aggression in several different age groups. Which of the following groups would a cross-sectional design be confounded by the age of the cohorts?
A)14, 15, 16, and 17 year olds
B)2, 3, 4, and 5 year olds
C)10, 12, 14, and 16 year olds
D)5, 15, 30, and 60 year olds

Question

Quizplus · Accepted Answer

A cross-sectional design comparing groups of 5, 15, 30, and 60 year olds would be confounded by the age of the cohorts because these age groups are at significantly different life stages, which could influence their responses to video game violence beyond just their age.

Sally Is Interested in Comparing the Effects of Video Game