A Researcher Did an Experiment Testing the Effects of Noise

question 2

Multiple Choice

A researcher did an experiment testing the effects of noise on students' ability to study effectively in different environments.The design was a 3 * 2,with three levels of background noise and two different environments.The researcher obtained an interaction effect and decided to try to identify the source of the interaction effect by testing the effect of the noise variable separately at each level of the environment variable.Which of the following types of effects in the analysis of a complex design was the researcher testing?

• A) simple main effect
• B) main effect
• C) moderator effect
• D) comparison of two means

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Definitions:

Market Demand

The total demand for a product or service within a given market, representing the aggregate of individual demands.

Aggregation Examples

Instances of combining multiple items, data, or variables into a single set or summary.

Elastic Demand

A situation in which the demand for a good or service is sensitive to price changes, characterized by the percentage change in demand being greater than the percentage change in price.

Total Expenditures

The overall amount of spending by an individual, firm, or government on goods and services.