Well-designed experiments control for the effects of expectations by creating conditions under which participants are unaware of, or __________, the treatment.
A)blind to
B)indifferent to
C)unconscious of
D)singled out for

Question

Quizplus · Accepted Answer

Being "blind to" the treatment means that participants are unaware of the experimental manipulation, which helps control for the effects of expectations. Option B (indifferent to) and option C (unconscious of) do not necessarily imply that participants are unaware of the treatment. Option D (singled out for) is not relevant to controlling for expectations.

Well-Designed Experiments Control for the Effects of Expectations by Creating