3 Tutorials that teach Psychological Research: Variables
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Psychological Research: Variables

Psychological Research: Variables

Author: Barbara Ludins

This lesson will define and examine variables as causes and effects in an experiment.

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Notes on "Psychological Research: Variables"

Terms to Know

Any condition that can change and might have an effect on the experiment.

Independent Variable
Condition altered by the experimenter; experimenter sets their size, amount, or value.  These are predicted cause for behavioral differences.

Dependent Variable
Measures the results of the experiment;  condition is affected by independent variable.

Extraneous Variables
Conditions that a researcher wants to prevent from affecting the outcomes of the experiment.