An increase in average intelligence test performance during the past decades would best illustrate why intelligence tests need
A) to be revised for predictive validity.
B) periodic restandardization.
C) reliability indices.
D) to be checked for content validity.

Question

Quizplus · Accepted Answer

If there has been an increase in average intelligence test performance during the past decades, it suggests that the population has become more intelligent and therefore, the norms used to score intelligence tests may no longer be accurate. In order to align the norms with current population intelligence levels, periodic restandardization of the tests is necessary. This would entail administering the test to a representative sample of the current population and establishing new norms based on their performance.

An Increase in Average Intelligence Test Performance During the Past