Using the set of symbols commonly used in marketing research to denote experimental designs,which symbol below represents the random assignment of test units or groups to separate treatments?
A)T
B)O
C)R
D)X

Question

Quizplus · Accepted Answer

The letter R represents random assignment of test units or groups to separate treatments in experimental designs. Choice A (T) represents a treatment, choice B (O) represents an observation or measurement, and choice D (X) represents an intervention or stimulus.

Using the Set of Symbols Commonly Used in Marketing Research