Kimberly Wants to Know Whether Running on a Treadmill Leads

question 103

Multiple Choice

Kimberly wants to know whether running on a treadmill leads to more weight loss than running outside. To test this hypothesis, she randomly assigns participants to either run on a treadmill or run on an outdoor trail. She then measures their weight loss. Would it be appropriate for her to analyze her data using an independent samples t-test?

• A) No, because she is measuring a naturally occurring relationship.
• B) Perhaps, but only if she has an adequate number of participants.
• C) No, because she fails to manipulate the independent variable.
• D) Yes, because this is a two-group experimental design.

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Definitions:

Social Class

A division of a society based on social and economic status, often categorized by factors such as wealth, occupation, and education.

Capital

In economic terms, refers to wealth in the form of money or other assets owned by a person or organization or available for purposes such as starting a company or investing.

Commodities

Goods or services that are traded, often produced to satisfy wants or needs.

Class-in-Itself

A term referring to a social class that shares common economic interests, but may not be united or aware of their shared circumstances or potential for collective action.