Arash Wants to Examine the Relationship Between Stress and Eating

question 10

Multiple Choice

Arash wants to examine the relationship between stress and eating when someone is on a diet. He recruits an equal number of male and female participants to respond to a questionnaire about their eating habits, their typical mood, and their overall anxiety levels. Arash ensures half of his male participants and half of his female participants are on a diet and the other half are not. After the questionnaire, all participants are randomly assigned to complete one of two tasks. Half of the participants solve a difficult math problem in front of a group of math professors within a certain time limit. The other participants solve a simple arithmetic problem in a waiting area alone, with no time limit. After they perform the task, all participants are asked to complete one more questionnaire about their stress level while sitting next to a box of Timbits. Arash tells the participants to help themselves to the Timbits, and secretly counts how many Timbits the participant actually eats.
-The correlation between the number of Timbits the participants ate and how stressed they reported feeling is +0.70.What does this mean

• A) There is not enough information given to answer the question.
• B) Participants who were most stressed generally ate more Timbits.
• C) Participants who were least stressed generally ate more Timbits.
• D) Participants ate a lot of Timbits regardless of how stressed they felt.

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Definitions:

Marginal Revenue Product

The additional revenue generated from employing one more unit of a resource or factor of production.

Competitive Market

A market structure characterized by a large number of sellers and buyers, none of whom can influence the market price on their own.

Unit of Output

The individual item or specific quantity of a product produced by a company or an economic sector.

Labor Hire

The process of employing individuals or workers, typically for temporary or contractual tasks or projects.