Family and Twin Research Studies Have Shown That Personality Disorders

question 27

Multiple Choice

Family and twin research studies have shown that personality disorders and traits

• A) are solely caused by environmental factors.
• B) run in families and are influenced primarily by genetic factors.
• C) are the result of a single gene being responsible for the development of a single trait.
• D) are the result of some unknown outside variable that has yet to be discovered.

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Definitions:

Independent Variables

Variables that are manipulated or changed in an experiment to test their effects on dependent variables.

Planning Beyond

A strategic approach focusing on setting long-term goals and objectives beyond the usual planning horizon.

One Year

A period consisting of 12 consecutive months or 365 days, used as a standard time measurement for various financial calculations.

Sales Forecasts

Predictions regarding the amount of products or services a business expects to sell over a certain period.