Which use of the deviation IQ to measure intelligence differences is invalid?
A)as a screen for scholastic aptitude in high school seniors
B)as a screen for cognitive functioning at an assisted-living facility for senior citizens
C)to study intelligence differences between the preoperational and formal operational stage
D)to study intelligence differences between young adults who abuse drugs and those who do not

Question

Quizplus · Accepted Answer

Deviation IQ scores are not appropriate for studying intelligence differences between stages of development because they are based on comparing an individual's score to the average score of their age group. Therefore, it does not account for the natural variations in cognitive abilities that occur during different stages of development.

Which Use of the Deviation IQ to Measure Intelligence Differences