Which of the following best describes components of a double-blind study? Question 8 options:

When members of the control group know which group they are in but members of the experimental group do not

When the researchers do not know which group the subjects are in but the subjects of both the control and experimental group know which group they are in

When neither the subjects nor the researchers are aware of the subjects’ group assignments

When members of the experimental group and the researchers know which study group all of the subjects are in