In Which Experimental Design Is a Single, Categorical Extraneous Variable

question 138

Multiple Choice

In which experimental design is a single, categorical extraneous variable that might affect test units' responses to the treatment identified and the effects isolated by being blocked out?

• A) completely randomized design
• B) factorial design
• C) randomized-block design
• D) interactive block design

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Definitions:

College Location

The geographical setting or campus where a college or university is situated, which can influence campus life and opportunities.

Gender

A characteristic of individuals, typically used as a categorical variable in research, that denotes male, female, or other identities.

Null Hypothesis

The default assumption that there is no significant difference or relationship between specified populations, any observed effect is due to sampling or experimental error.

Size Of Car

The overall dimensions or capacity of a vehicle, often considered in terms of length, width, height, and seating capacity.