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    Understanding Psychology Study Set 2
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    Exam 7: Cognition and Mental Abilities
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    From 1932 Through 1978, IQ Scores Increased by an Average
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From 1932 Through 1978, IQ Scores Increased by an Average

Question 227

Question 227

Multiple Choice

From 1932 through 1978, IQ scores increased by an average of ________ points per decade.


A) 9
B) 20
C) 15
D) 3

Correct Answer:

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