To Investigate the Effects of Exercise on Mathematical Problem-Solving Ability,a

question 14

Multiple Choice

To investigate the effects of exercise on mathematical problem-solving ability,a researcher assignsparticipants to one of two groups.One group cycles on an exercise bike for one hour,and the other group performs no exercises.Afterward,both groups work on a set of math problems and their performances are compared.In this experiment,the group that does not exercise is the ____.

• A) control group
• B) dependent variable
• C) independent variable
• D) intervening group

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Definitions:

Economic Theory

A framework or system of ideas that explains and analyzes the production, distribution, and consumption of goods and services.

Spending

The amount of money expended by individuals, businesses, or governments on goods and services.

Income

Cash inflows that occur on a routine basis, originating from employment or investing.

Resources

Refers to the inputs used in the production of goods and services, including natural, human, and capital resources.