observational Vs Experimental Design

Front

What is the difference between an observational study and an experiment?

Back

Experiments involve imposing a treatment, while observational studies do not.

Front

How many variables should you change in an experiment?

Back

1 variable should be changed in an experiment.

Front

In an experiment, the variable that changes in response to the independent variable is known as?

Back

Dependent variable.

Front

This part of the experiment serves as a basis of comparison.

Back

Control group.

Front

This variable in an experiment is the one being deliberately changed by the scientist.

Back

Independent variable.

Front

What is an observational study?

Back

A study where the researcher observes and records behavior without manipulating any variables.

Front

What is an experimental design?

Back

A design where the researcher manipulates one or more variables to determine their effect on a dependent variable.

Front

What is a control group?

Back

A group in an experiment that does not receive the treatment and is used for comparison.

Front

What is a dependent variable?

Back

The variable that is measured in an experiment and is affected by the independent variable.

Front

What is an independent variable?

Back

The variable that is changed or controlled in a scientific experiment.