IQ scores in the Western world have increased significantly over the last 50 years. This is most likely due to
A)evolution
B)improved educational systems
C)mass media penetration
D)both b & c

Question

Quizplus · Accepted Answer

While evolution cannot be fully ruled out, the most significant factors contributing to the increase in IQ scores are likely the improvements in educational systems and mass media penetration. These factors have led to increased access to education and information, which in turn have a positive impact on cognitive development and problem-solving abilities.

IQ Scores in the Western World Have Increased Significantly Over