A Researcher Manipulated One Independent Variable in a Complex Design

question 20

Multiple Choice

A researcher manipulated one independent variable in a complex design experiment using a random groups design and manipulated the second independent variable using a repeated measures design.The researcher's plan for data analysis should include

• A)a correlation between the first and second independent variables.
• B)a single-factor ANOVA for the first independent variable and a repeated measures t-test for the second independent variable.
• C)a two-factor ANOVA for a mixed design.
• D)a confidence interval for the overall mean in the experiment.

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Definitions:

Optimal Level

The most favorable or efficient level of output or activity under given conditions, maximizing benefits or minimizing costs.

Public Good

A good that is non-excludable and non-rivalrous, meaning it can be used by everyone and one person's use does not diminish another's.

Free-rider Problem

A situation where individuals consume a good without contributing to its cost, typically in the context of public goods.

Public Good

A good or service offered to every member of a community for free, supplied by either governmental bodies or private entities without the intention of making a profit.