Discussion
Given below are two statements, one labelled as Assertion (A) and the other labelled as Reason (R). Indicate your answer using the codes given below.
Assertion (A) : The size of differences in the intelligence scores between fathers and sons explains the group differences in intelligence.
Reason (R) : In Jensen's views, the sons' tend to be higher or lower in intelligence than their fathers who are very low and high on intelligence respectively.
Codes :
Answer: A
Both statements are true, and (R) is the correct explanation of (A). In Jensen's view the sons of fathers of very high intelligence tend to be lower, and the sons of fathers of very low intelligence tend to be higher, as the scores regress towards the mean of the group.
This regression explains why the group differences in the scores persist even though the fathers and sons differ, so (R) explains (A). The options which call either statement false or deny the explanation are wrong.
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