If Differences Among People in Their IQ Scores Are Based

question 166

Multiple Choice

If differences among people in their IQ scores are based largely on differences in heredity, we should expect to find that

• A) the correlation in IQ scores should be higher for fraternal twins than for identical twins.
• B) the correlation in IQ scores should be higher for identical twins than for fraternal twins.
• C) children reared by their own parents should have higher IQs than do children reared by adoptive parents.
• D) children reared by adoptive parents should have higher IQs than do children reared by their own parents.

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Definitions:

Extraversion

A personality trait characterized by outgoingness, high energy, and positive emotionality.

Real-life Friends

Personal connections and relationships formed through direct and physical interactions, as opposed to online or virtual communications.

Facebook Friends

A term referring to the connections one makes on the social networking platform Facebook, where users can add other users as friends to share content and communicate.

Personality Dimensions

Fundamental aspects that outline broad domains of personality traits used to describe human personality structures systematically.