Able, Bob, and Chris are brothers. Able was born in 1985, Baker in 1988, and Chris in 1990. Statistically speaking, which sibling is slightly more likely to have the greatest IQ score?

A) Able
B) Bob
C) Chris
D) no one; they are all equally likely to have the greatest IQ score.

Answer: A
Rationale: Older siblings tend to score slightly higher on intelligence tests than younger siblings.

Psychology

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