Comparing the average performance of the initial WAIS standardization sample with the average performance of the most recent WAIS standardization sample provides convincing evidence of
A) eugenics.
B) general intelligence.
C) the Flynn effect.
D) test reliability.

Question

Quizplus · Accepted Answer

The difference in average performance between the initial and most recent WAIS standardization samples is likely due to the Flynn effect, which describes the trend of increasing IQ scores over time. This is not evidence of eugenics or test reliability, and while general intelligence may play a role in the results, it is not the most likely explanation.

Comparing the Average Performance of the Initial WAIS Standardization Sample