Researchers Use Control Groups to

question 43

Multiple Choice

Researchers use control groups to

• A)make comparisons to the treatment group.
• B)give all research participants an equal chance to participate in the study.
• C)control the hypothesis.
• D)randomize the experiment.

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Definitions:

Factor

An element that contributes to a particular result or situation, often used as a variable in experiments and statistical analysis.

Levels

Distinct and gradated stages within a hierarchy or process.

Factor

A variable that is manipulated in an experiment to determine its effect on the dependent variable, or a value that influences results in various contexts.

Factorial ANOVA

A statistical test used to determine the effect of two or more independent variables at multiple levels on a dependent variable.