Arash Wants to Examine the Relationship Between Stress and Eating

question 15

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.
-Which of the following is the most likely to be a hypothesis for Arash's experiment

• A) If someone is on a diet they will eat more when they are stressed.
• B) Food and stress are positively correlated.
• C) There is no difference between participants who are and those who are not in a diet.
• D) Stress is the primary reason why people break their diets.

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