The Evidence from Studies of Twins and Biological and Adoptive

question 67

Multiple Choice

The evidence from studies of twins and biological and adoptive siblings indicates that shared environmental influences explain approximately _____ percent of individual variations in personality traits.

• A) 0 to 10
• B) 15
• C) 25
• D) 50

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Definitions:

Aging Population

The demographic trend characterized by an increase in the proportion of elderly people in the population, often leading to shifts in healthcare, pension, and labor market policies.

Electronically Submit

The process of sending or filing documents using electronic means such as email or online forms.

Economic Growth

An increase in the production of goods and services in an economy over a period of time, usually measured by the rise in Gross Domestic Product (GDP).