If the Correlation for a Given Personality Trait in a Set

question 53

Multiple Choice

If the correlation for a given personality trait in a set of same-sex fraternal twins is .25 and the correlation for that same personality trait is .75 in a set of identical twins, we can assume the heritability estimate is approximately:

• A) .50
• B) .25
• C) 1.00
• D) none of the above

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Definitions:

Nurture

The influence of external factors like education and the environment on an individual's behavior and development.

Correlation Coefficient

A statistical measure that indicates the extent to which two or more variables fluctuate together, showcasing the strength and direction of their relationship.

Test-retest Reliability

The consistency of a psychological test or assessment measured over time, indicating how reliable the test results are with repeated application.

Test

An examination or evaluation conducted to assess a person's knowledge, skills, abilities, or characteristics.