Exhibit 14-3

question 56

Multiple Choice

Exhibit 14-3.Consider the following sample regression equation ,where y is the demand for Product A (in 1000s) and x is the price of the product (in $) . Refer to Exhibit 14-3.The slope coefficient indicates that if

• A)the price of Product A increases by $1,then on average,demand decreases by 20.
• B)the price of Product A increases by $1,then on average,demand increases by 20.
• C)the price of Product A increases by $1,then on average,demand decreases by 20000.
• D)the price of Product A increases by $1,then on average,demand increases by 20000.

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Definitions:

Twin-study

A research method used to investigate the relative importance of genetics and environment by comparing the similarities between monozygotic and dizygotic twins.

Adoption Studies

Research methods that compare adopted children to their biological and adoptive families to understand the influence of genetics and environment on development.

Genetic Influence

Genetic influence involves the impact of genes inherited from one's parents on physical traits, behaviors, and susceptibilities to certain conditions.

Personalities

The unique combination of emotional, attitudinal, and behavioral response patterns of an individual.