The intelligence scores of adopted children are LEAST likely to be positively correlated with the scores of their adoptive siblings during
A) childhood.
B) early adolescence.
C) late adolescence.
D) adulthood.

Question

Quizplus · Accepted Answer

Research has found that the correlation between the intelligence scores of adopted siblings tends to decrease as they enter adulthood, suggesting that genetic factors play a larger role in intelligence than environmental factors at this stage of development.

The Intelligence Scores of Adopted Children Are LEAST Likely to Be