A Researcher Is Studying the Effect of Including a Bonus

question 13

Multiple Choice

A researcher is studying the effect of including a bonus product on people's tendency to purchase personal care items (e.g., shampoo, deodorant, etc.) . The researcher randomly assigns male and female consumers to be asked to buy the product with the bonus or to be asked to buy the product without the bonus. The researcher then calculates the proportion of people in each condition that purchase the product. The independent variable in this study is:

• A) the proportion of people that purchase the product.
• B) personal care items.
• C) gender.
• D) the presence or absence of a bonus.

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Definitions:

Research Hypothesis

A speculative statement about the relationship between two or more variables that is tested through research.

Degrees Of Freedom

The number of independent values or quantities which can be assigned to a statistical distribution, influencing the shape of the distribution.

Dependent-Samples T Test

A mathematical method deployed to evaluate if there's a significant difference in averages between two associated groups.

Null Hypothesis

A statistical hypothesis that assumes no significant difference or effect in a given experiment or observation.