Twin Studies Have Found Concordance Rates of 63% to 87

question 44

Multiple Choice

Twin studies have found concordance rates of 63% to 87% between identical twins for obsessive-compulsive disorder (OCD) .What does this suggest?

• A)OCD prevalence and behaviors vary by culture.
• B)OCD has a strong genetic vulnerability.
• C)OCD is a learned behavior through classical conditioning.
• D)OCD can be attributed to evolutionary causal factors.

Understand the role of sensory systems in animal behavior.

Learn about circadian rhythms and their significance.

Recognize the historical development and importance of intelligence testing.

Understand the reliability and validity of intelligence tests and their correlations with academic performance.

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Definitions:

Stressful Event

Any situation or occurrence that triggers a stress response in the body or mind.

Health Psychology

A branch of psychology that focuses on how biological, social, and psychological factors influence health and illness.

Medicine

The science and practice of the diagnosis, treatment, and prevention of disease and the maintenance of health.

Stressors

External stimuli or events that cause stress to an individual, varying widely depending on personal perception and reaction.