Question

Neither the participant nor the researcher knows to which group the participant is assigned.

a. Equipoise
b. Double-blind study
c. Cross-over design
d. Randomization

Answer 1

The answer is B double-blind study

Step-by-step explanation:

In this type of scientific study neither the experimenter nor the researcher knows the study sample, during the period that the experiment lasts, in order not to influence the results.