) Which of the followirig describes a study in which neither the participants nor the experimenters know which participants are in the control group?
9) Which of the followirig describes a study in which neither the participants nor the experimenters know which participants are in the control group?
A) Single-blind experiment
B) Observational study
C) Double-blind experiment
D) Case_control study
E) None of the above
Given:
The objective is to find that out of the given which describes a study in which neither the participants nor the experimenters know which participants are in the control group
A case–control study is a one type of the observational study in which there are two existing groups which are differing in outcome are identified and compared on the basis of some supposed causal attribute.
In an observational study, here the investigator is not directly involved instead of he just observes what happens between the relationship of the exposure and that disease variable.
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