What Is the Main Disadvantage of Factorial Designs

question 45

Multiple Choice

What is the main disadvantage of factorial designs?

• A) They require an equal number of rows, columns, and treatment levels, which is sometimes problematic.
• B) The number of treatment combinations increases multiplicatively with an increase in the number of variables or levels.
• C) The researcher can control for only one external variable.
• D) They do not allow the researcher to examine interactions of the external variables with each other or with the independent variable.

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Definitions:

Confounding Variables

Factors other than the independent variable that may cause or influence the outcome of the experiment.

Random Assignment

A procedure for assigning human participants or animal subjects to different groups in an experiment using randomization, ensuring each participant has an equal chance of being assigned to any group.

DACA

The Deferred Action for Childhood Arrivals (DACA) is a U.S. immigration policy that allows some individuals brought to the country as children without legal status to receive a renewable two-year period of deferred action from deportation and become eligible for a work permit.

Survey Research

A technique of investigation that gathers data from a group of participants by asking them questions and recording their answers.