The control group in an experimental study will .
A. be excluded from the results of the experiment if they contradict the hypothesis
B. receive no treatment during the experiment
C. be informed at the outset of the experiment that they are the control group
D. receive the same treatment as the experimental group

Which of the following studies is linked most directly to the establishment of the national research act in 1974 and ultimately to the belmont report and federal regulations for human subject protection? a. the public health service tuskegee study of untreated syphilis in the negro male.b. stanford prison experiment (zimbardo).c. tearoom trade study (humphreys).d. the harvard t3 study.