Which Statement Describes the Results of a Large Twin Study

question 216

Multiple Choice

Which statement describes the results of a large twin study conducted in multiple countries on the genetic and environmental influences on IQ?

• A) Genetic influences decrease with age.
• B) Genetic influences remain stable with age.
• C) Genetic influences increase with age.
• D) Environmental influences remain stable with age.

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Definitions:

Exponential

Refers to the rapid increase or growth at a constant rate over time.

Positive

A term that can refer to an optimistic outlook, a test result indicating the presence of a substance or condition, or a number greater than zero.

Negative

A term that can denote a quantity less than zero, a pessimistic outlook, or the inversion of a situation or condition.

Strong Relationship

A significant association or correlation between two or more variables where changes in one variable are closely linked to changes in the other(s).