Is It True That Every Experiment Must Have a Control

question 24

Multiple Choice

Is it true that every experiment must have a control group that does not experience the independent variable?

• A) Yes, a control group that does not experience the independent variable is necessary
• B) Only if you want to have a reliable experiment
• C) Only if you want to have a valid experiment
• D) Control conditions do not always include a level in which the independent variable is absent.

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Definitions:

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