The Results of Several Studies of Facial Expressions in People

question 76

Multiple Choice

 The results of several studies of facial expressions in people who were born blind suggest ____.

• A) a minor role for genetics in the control of facial expressions
• B) a major role for genetics as well as environment in the control of facial expressions
• C) no role of genetics in the control of facial expressions
• D) no role of genetics, but a major role of environment in the control of facial expressions

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Definitions:

Positive Externality

Positive Externality occurs when a transaction or activity benefits a third party not directly involved, like the societal benefit of education or vaccinations.

External Benefit

A benefit that an individual or firm confers on others without receiving compensation.

Household Production

The creation of goods and services within a home for personal use, employing family labor and resources.

Child Care

The care and supervision of a child or multiple children at a time, whose ages can range from two weeks to eighteen years. Child care is the action or skill of looking after children by a day-care center, nannies, babysitter, teachers, or other providers.