Arash Wants to Examine the Relationship Between Stress and Eating

question 71

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.
-What is the dependent variable in Arash's study

• A) The participants' gender.
• B) The participants' eating habits.
• C) The task difficulty.
• D) How many Timbits the participant eats.

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Definitions:

Correlation

A measure that indicates the extent to which two or more variables fluctuate together, revealing whether and how strongly pairs of variables are related.

Inches

A unit of length in the imperial and United States customary systems, equivalent to 1/12 of a foot.

Centimeters

A unit of length in the metric system, equal to one hundredth of a meter.

Calories

Units of energy measurement used to quantify the amount of energy provided by foods and beverages.