An Experimenter Tests the Hypothesis That Physical Exercise Improves People's

question 37

Multiple Choice

An experimenter tests the hypothesis that physical exercise improves people's mood.Subjects in the experimental group participate on Monday and Tuesday and those in the control group on Wednesday and Thursday.What is the extraneous (confounding) variable?

• A) the hypothesis
• B) the day of the week
• C) the exercise
• D) the mood (degree of happiness)

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Definitions:

Low Affluence

Describes a state or condition where there are minimal financial resources or wealth.

Heavier Body

Describes a body mass that is greater than what is typically considered average or healthy, often assessed in terms of body weight relative to height.

Portion Size

The amount of a particular food that is served or consumed in one eating occasion.

BMI

Body Mass Index, a measure of body fat based on height and weight that applies to adult men and women.