Experimental Design and Variables

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A variable whose value depends on that of another.

The group in an experiment or study that does not receive treatment by the researchers, used as a benchmark.

<p>An experiment that receives the variable being tested.</p> Signup and view all the answers

<p>A proposed explanation made on the basis of limited evidence as a starting point for further investigation.</p> Signup and view all the answers

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Independent Variable: A factor that is manipulated in an experiment; its variation is not influenced by other variables.
Dependent Variable: A factor that is measured in response to changes in the independent variable; its value depends on the manipulations made.

Control Group: The baseline group in studies that does not receive the treatment or intervention; used for comparison to evaluate the effect of the independent variable.
Experimental Group: The group in a study that receives the treatment or intervention being tested; allows researchers to observe the effects of the independent variable.

Hypothesis: A testable prediction or educated guess based on limited evidence; serves as a starting point for scientific investigation and experimentation.