Dr Paul Ekman Coded Different Facial Expressions by Carefully Analyzing

question 93

Multiple Choice

Dr. Paul Ekman coded different facial expressions by carefully analyzing which facial muscles are involved in producing different expressions such as disgust, surprise, sadness, anger, happiness, and fear. When shown photographs of these facial expressions, research participants were able to correctly identify the emotions being displayed. Based on this and other studies, Dr. Ekman concluded that:

• A) humans learn to express emotions by imitating the expressions of those around them.
• B) facial expressions for basic emotions are innate and probably hard-wired in the brain.
• C) humans can recognize basic emotions but can only express specific emotions that they have observed in their social or cultural group.
• D) all the known emotions are present at birth.

---

Definitions:

Cost-output Elasticity

A measure of how responsive the total cost of production is to a change in the quantity produced.

Long-run Cost Function

A representation of the relationship between output and the cost of production when all inputs, including capital, can be varied.

Short-run Cost Function

The costs a company incurs in the production of goods or services within a short period, considering some inputs are fixed.

Long-run Cost Curve

A graphical representation showing the minimum cost at which a firm can produce any given level of output in the long run, when all inputs are variable.