Marcus Has Just Finished a Longitudinal Twin Study of Intellectual

question 110

Multiple Choice

Marcus has just finished a longitudinal twin study of intellectual performance.He included both monozygotic and dizygotic twin pairs in his study.Based on previous research, what would you predict he will find regarding age-related changes in the similarity of their intellectual scores?

• A)Similarity will increase for monozygotic twins and decrease for dizygotic twins.
• B)Similarity will decrease for monozygotic twins and increase for dizygotic twins.
• C)Similarity will remain constant for monozygotic twins and increase for dizygotic twins.
• D)Similarity will remain constant for dizygotic twins and will decrease for monozygotic twins.

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