In One Study Described in Your Textbook (Sternberg & Campos

question 8

Multiple Choice

In one study described in your textbook (Sternberg & Campos, 1990) , researchers restrained the arms of 1-, 4-, and 7-month-old infants to see what facial expressions they would display, and where they would look. According to the researchers, what did the results of this study suggest?

• A) That babies can experience anger as early as 1 month of age
• B) That a distinct anger expression does not emerge until at least the second year of life
• C) That newborn babies are frightened by this experience, but by 7 months babies are angered by it
• D) That changes in the expression of anger reflect development in the babies' ability to cognitively appraise the situation

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Definitions:

Rival Consumption

A situation where the consumption of a good by one individual prevents simultaneous consumption by other individuals.

Excludable

A characteristic of a good or service where it's possible to prevent individuals who have not paid for it from having access.

Television Signal

The electronic waves transmitted from a broadcast station that carry audio and visual information to televisions.

Nonrival Consumption

A characteristic of goods where one person's consumption does not reduce availability or enjoyment of the good for others.