What Is the Purpose for Using a Control Group in an Experiment

question 60

Multiple Choice

What is the purpose for using a control group in an experiment?

• A)​It provides a baseline to evaluate the size of the treatment effect.
• B)​It minimizes the threat of a confounding variable.
• C)It is necessary to ensure the internal validity of the study.
• D)​It is necessary to ensure the external validity of the study.

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Definitions:

Flexible

Capable of being easily modified to respond to altered circumstances or conditions.

Rigid

In a medical context, it describes something that is stiff, inflexible, or not easily bent.

Sociocultural Changes

Shifts in societal values, norms, and practices resulting from interactions between social groups and cultural influences, impacting communities and individual behaviors.

Economic Changes

Alterations in the structure or performance of an economy, affecting factors like GDP, employment rates, and the availability of goods and services.