One group of ocean voyagers is given a new but untested pill for seasickness and a second group is given an inactive pill.Neither the voyagers nor the experimental researchers know which group has received the new pill.In this experiment,the investigators are making use of

A) deep brain stimulation.
B) neurogenesis.
C) SSRIs.
D) the double-blind procedure.

Double-Blind Procedure

An experimental procedure in which both the research participants and the research staff are ignorant (blind) about whether the research participants have received the treatment or a placebo. Commonly used in drug-evaluation studies.

Seasickness

Is a form of motion sickness characterized by nausea and vomiting, resulting from the movement of a vessel on water disrupting the inner ear's equilibrium.