Experimental Design

Front

Controlled experiment

Back

An experiment where one factor is changed to observe its effect.

Front

Variable

Back

Something that can be changed.

Front

Hypothesis

Back

What the controlled experiment is testing. (What you think the answer to your question is.)

Front

Independent (manipulated) variable

Back

What is being tested or changed in the experiment.

Front

Dependent (responding) variable

Back

What is being measured in the experiment.

Front

Constants

Back

Factors that are kept the same in an experiment.

Front

Control group

Back

The group that did not receive any special treatment.

Front

Experimental (test) group

Back

The group that received the independent (manipulated) variable.

Front

Scientific Theory

Back

An explanation of an event backed by evidence.

Front

Scientific Law

Back

A statement of an event used to make predictions.