The experimental design symbol used to describe a random assignment of people to groups or groups to treatments.

Name: The experimental design symbol used to describe a random assignment of people to groups or groups to treatments.
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Question

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The letter "R" is the experimental design symbol used to describe a random assignment of people to groups or groups to treatments. Option A (A) refers to an independent variable (IV) and Option C (X) and D (O) are dependent variables (DV) or outcome measures.

The Experimental Design Symbol Used to Describe a Random Assignment