Observational Studies and Experiments Review

Front

Why do we want our experiments to have random elements in them?

Back

To reduce bias.

Front

What are the parts of the experiment that must be kept the same?

Back

Constants.

Front

In an experiment, what is not exposed to the treatment being studied and serves as a baseline for comparison?

Back

Control group.

Front

What research method is characterized by randomly assigning participants to groups and manipulating a variable?

Back

Experimental.

Front

What happens when two variables are associated in such a way that it is not possible to distinguish between their effects on the response variable?

Back

Confounding.

Front

What is the variable that is manipulated in an experiment?

Back

Independent variable.

Front

What is the variable that is measured in an experiment?

Back

Dependent variable.

Front

What is the purpose of a control group in an experiment?

Back

To provide a baseline for comparison.

Front

What is the difference between an experimental group and a control group?

Back

The experimental group receives the treatment, while the control group does not.

Front

What is the term for a factor that can influence the outcome of an experiment?

Back

Variable.