in a ____________ study, the subjects do not know to which group they are assigned but the researchers are…

in a ____________ study, the subjects do not know to which group they are assigned but the researchers are aware of the subjects group assignments. a double - blind b placebo c single - blind d control please select the best answer from the choices provided

in a ____________ study, the subjects do not know to which group they are assigned but the researchers are aware of the subjects group assignments. a double - blind b placebo c single - blind d control please select the best answer from the choices provided

Answer

Brief Explanations:

In a single - blind study, the subjects do not know to which group (experimental or control) they are assigned, while the researchers are aware. In a double - blind study, neither the subjects nor the researchers know the group assignments. A placebo is a substance with no therapeutic effect used in experiments, and a control group is a group not receiving the treatment being tested for comparison.

Answer:

C. single - blind