A method for ensuring that individuals involved in a study do not know the group classification of subjects is called:
A) Masking
B) Washout
C) Carryover
D) Crossover

Question

Quizplus · Accepted Answer

Masking, also known as blinding, is a method used in research studies to prevent bias by ensuring that the participants, and sometimes the researchers, do not know which group (e.g., treatment or control) the subjects have been assigned to. This helps in maintaining the objectivity of the study.

A Method for Ensuring That Individuals Involved in a Study