Author Question: Placebos are often used in drug studies in order to A) reduce the number of participants needed. ... (Read 89 times)

vHAUNG6011 · **on:** Aug 4, 2018

Placebos are often used in drug studies in order to

A) reduce the number of participants needed.
B) decrease the costs of expensive medication.
C) enhance double-blind procedures.
D) increase the potency of the drug.

Question 2

The double-blind control procedure involves

A) having both the experimenter and participants blind to the assignment of each participant.
B) having all participants blind to both the hypotheses and the assignment.
C) having the experimenter's assistant and the experimenter both blind to the hypotheses.
D) None of the above