An experiment comparing a treatment group with a no-treatment control group has no independent variable.

Name: An experiment comparing a treatment group with a no-treatment control group has no independent variable.
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Question

Quizplus · Accepted Answer

The treatment group represents the presence of the independent variable, while the control group represents the absence of the independent variable. Therefore, the independent variable in this case is the treatment itself, and the experiment does have an independent variable.

An Experiment Comparing a Treatment Group with a No-Treatment Control