Which Statement Best Describes the Influence of Genetics on Personality

question 164

Multiple Choice

Which statement best describes the influence of genetics on personality?

• A) Genetics has little or no influence on personality.
• B) Genetics influences serious personality disorders, but not variations in normal personality.
• C) Genetics influences personality considerably, with heritability estimates of about .50.
• D) The influence of genetics on personality has not been studied, so no conclusions are possible.

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Definitions:

Mean

The arithmetic average of a set of numbers, calculated by summing all the numbers and then dividing by the count of those numbers.

Standard Deviation

Standard deviation is a measure that quantifies the amount of variation or dispersion of a set of data values from their mean.

Standard Normal Random Variable

A normally distributed random variable characterized by a mean of 0 and a standard deviation of 1.

P

A probability value that reflects the likelihood of obtaining test results at least as extreme as the results actually observed, during the assumption that the null hypothesis is correct.