If psychologists had not restandardized the IQ tests every few years,what would have happened to scores on the tests?
A)The mean would have increased from one decade to the next.
B)The mean would have decreased from one decade to the next.
C)The mean would have fluctuated up and down from one decade to the next.
D)The mean would have remained the same, but the variation would have decreased.

Question

Quizplus · Accepted Answer

The phenomenon known as the Flynn effect shows that average IQ scores have been increasing over time. If IQ tests were not restandardized to account for this trend, the average scores would appear to increase from one decade to the next, because the tests would become easier for people over time relative to their actual intelligence levels.

If Psychologists Had Not Restandardized the IQ Tests Every Few