Which of the Following Provides the Strongest Evidence of the Role

question 14

Multiple Choice

Which of the following provides the strongest evidence of the role of heredity in determining intelligence?

• A) The IQ scores of identical twins raised separately are more similar than those of fraternal twins raised together.
• B) The intelligence scores of fraternal twins are more similar than those of ordinary siblings.
• C) The intelligence scores of identical twins raised together are more similar than those of identical twins raised apart.
• D) The intelligence scores of adopted children show relatively weak correlations with scores of adoptive as well as biological parents.

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Definitions:

Fluid Medium

A liquid substance in which other materials are dissolved or suspended, often used in scientific and medical contexts.

Sperm

Male reproductive cells or gametes involved in sexual reproduction.

Testes

Testes are the male reproductive glands that produce sperm and the hormone testosterone.

Scrotum

The pouch of skin containing the testicles in male mammals.