As Reported in the Textbook, Research Demonstrating a Genetic Influence

question 43

Multiple Choice

As reported in the textbook, research demonstrating a genetic influence on a person's level of extraversion- introversion comes primarily from research

• A) using the twin-study method.
• B) comparing adopted children and biological children to their parents.
• C) comparing strength of relationship with similarity of personality scores.
• D) comparing adopted children's personalities with the personalities of their biological parents.

---

Definitions:

Classical Conditioning

The method of acquiring a response through the repetitive coupling of two stimuli; initially, the second stimulus triggers the response, but the first stimulus eventually triggers it alone.

Rescorla

Associated with the Rescorla-Wagner model of classical conditioning, focusing on the strength of associations between conditioned and unconditioned stimuli.

Phobias

Intense, irrational fears of specific objects, activities, or situations that lead to a desire to avoid them.

Classical Conditioning

The practice of learning by frequently pairing two stimuli together; a response first provoked by the second stimulus is later provoked by the first stimulus without the second.