Raw scores on IQ tests have _______________ in developed countries for the past several decades.
A)been rising
B)stayed the same
C)been falling
D)fluctuated frequently

Question

Quizplus · Accepted Answer

Studies have shown that raw scores on IQ tests have been rising steadily in developed countries for the past several decades. This phenomenon is known as the Flynn effect and is thought to be due to various environmental and cultural factors.

Raw Scores on IQ Tests Have _______________ in Developed Countries