Question

Statistics/ Algebra 2

Answer 1

In a double-blind experiment, which of the following is true?

A. Each experimental subject is assigned to exactly two blocks.
B. The subjects are not told the purpose of the experiment.
C. Neither the subjects nor the experimenter know who is in the treatment group.
D. The experiments are conducted in a specially darkened and soundproof room to eliminate the influence of chance environmental variables.
E. The experimenter does not know which subjects are in the treatment group.

Answer 2

C?

Answer 3

yea i think c

Answer 4

correct