Question

In a double-blind experimental design:

a. the participant knows the hypothesis being tested.
b. the experimenter knows the hypothesis being tested.
c. both the participant and the experimenter know the hypothesis being tested.
d. neither the participant nor the experimenter knows the hypothesis being tested.

Answer 1

D

Step-by-step explanation:

The term "double-blind" refers to two parties (the participants and the experimenter) being "blind" or without knowledge of the details of the experiment.