1. I would say D.
2. I would say C.
Answer:
Double blind study
Explanation:
A double-blind investigation is one in which neither the members nor the one performing the experiments realize who is getting a specific treatment.
This method is used to counteract inclination in research results.
Double blind examinations are especially helpful for anticipating predisposition because of interest qualities or the placebo impact.
I am absolutely sure that the only one correct answer is the third option represented in the scale above. Without any doubts I can say that the following which is not a problem from skipping health screenings is <span>Recieving timely medical information. </span>