Multiple Choice
Which of the following is a plausible explanation for the general increases in intelligence test scores?
A) Decreasing levels of education have led to unexpected increases in test scores.
B) Nutrition and health care have improved dramatically around the world.
C) Life was easier in the early 1900s and students scored better then due to simplicity.
D) Tests have been written and re-written so many times,who knows what they measure?
Correct Answer:

Verified
Correct Answer:
Verified
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