In experimental designs an R stands for:
A)restricted use of complex variables.
B)random assignment of research subjects (e.g. ,stores)to groups (experimental and control).
C)random assignment of treatments to either the independent or the dependent variables.
D)realism;which is appropriate only for studies with external validity.
E)There is no R in experimental design terminology.

Question

Quizplus · Accepted Answer

In experimental designs, an R stands for random assignment of research subjects to groups (experimental and control). This is a crucial aspect of experimental design as it helps to eliminate potential confounding variables and increases the internal validity of the study.

In Experimental Designs an R Stands For