If you took the WAIS-IV when you were 18 and again when you were 25, and the scores were the same, what could you conclude?
A) that you had increased your IQ
B) that the WAIS-IV is reliable
C) that your IQ has decreased
D) that the WAIS-IV is flawed

Question

Quizplus · Accepted Answer

When the same individual takes the WAIS-IV at two different time points and obtains the same score, it suggests that the WAIS-IV is measuring IQ consistently and therefore is a reliable test. It does not provide information on whether IQ has increased, decreased or remained the same over time.

If You Took the WAIS-IV When You Were 18 and Again