Xavier Does a Study in Which He Compares Group Brainstorming

question 16

Multiple Choice

Xavier does a study in which he compares group brainstorming to individual brainstorming in face-to-face versus computer-mediated (i.e., chat room) communication conditions. He finds that groups are generally less productive at brainstorming than individuals, but that in chat room conditions, the difference is much less. The fact that the effect of the group versus individual condition depends on which communication medium was used illustrates a(n) ____.

• A) statistically significant result
• B) correlation coefficient
• C) main effect
• D) interaction effect

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Definitions:

Variable Costs

Costs that change in proportion to the level of activity or volume of output in a business.

Law of Diminishing Returns

An economic principle stating that, holding all else constant, as one input variable to the production process is increased, there comes a point when the added output from each additional unit of input decreases.

Productive

refers to the capability of producing significant amounts of goods and services, or contributing to economic output efficiently.

Intelligence

The ability to learn, understand, and make judgments or have opinions that are based on reason.