Apharmaceutical company asks 30 patients with acne to volunteer for an experiment in which they will receive treatment with either a special medical lotion or normal moisturizing cream. what type of experimental design is being used?

The type of experimental design is being used is: "Clinical trials" (Answer)

Explanation: This is a type of clinical research that involves people and is about applying the matter of research on people that are aimed at evaluating a medical, surgical or behavioral intervention.

answer; a cost benefit analysis;

answer; mental health prevention programs;