As supported by research, in which of the following ways did "only" children differ from children with siblings?

a. In having higher levels of intelligence
c. In having high aspirations
b. In being highly industriousness
d. All of these are correct.


ANS: D
FEEDBACK: An analysis of 115 studies of only-borns reported higher levels of achievement and intelligence and comparable social and emotional adjustment with people who have siblings. Later research confirmed those results and reported that only children had greater initiative, aspiration, industriousness, and self-esteem.

Psychology

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