Which use of the deviation IQ to measure intelligence differences is invalid?
A)to screen for scholastic aptitude for college seniors applying to medical school
B)to assess general cognitive functioning for young adults in the military
C)to study intelligence differences between 30-year-olds who are either self-made millionaires or bankruptcy filers
D)to study intelligence differences between young adults and senior citizens

Question

Quizplus · Accepted Answer

The deviation IQ is designed to measure intelligence relative to an individual's age group. Comparing intelligence across significantly different age groups, such as young adults and senior citizens, using deviation IQ is invalid because the scores are normed within age groups, not across them.

Which Use of the Deviation IQ to Measure Intelligence Differences