The method of experimental design in which the subject and the experimenter are unaware of which group they are assigned is called the
A) experimental control.
B) double‑blind procedure.
C) nonexperimental method.
D) quasi-experimental approach.

Question

Quizplus · Accepted Answer

The double-blind procedure is a method where both the participants and the experimenters do not know who is receiving a particular treatment. This approach is used to prevent bias in research results.

The Method of Experimental Design in Which the Subject and the Experimenter