Studies Comparing the Similarity of Identical and Fraternal Twins Who

question 122

Multiple Choice

Studies comparing the similarity of identical and fraternal twins who are raised together and apart are especially informative because:

• A) they tell us only about the importance of the environment.
• B) they tell us about the relative importance of the environment and genetic factors.
• C) they tell us what genes may be responsible for the occurrence of twins.
• D) they tell us only about the importance of genetic factors.

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Definitions:

Operational Definition

A precise definition of a term in a hypothesis, which specifies the operations for observing and measuring the process or phenomenon being defined.

Culture

The social behavior and norms found in human societies, including knowledge, beliefs, arts, laws, customs, capabilities, and habits.

Humanist Approach

A psychological perspective that emphasizes individual potential for growth and the concept of free will.

Personality

The combination of characteristics or qualities that form an individual's distinctive character.