Double blind research designs are ones in which:
A) both groups of subjects within the design are not informed of the study details
B) the treatment group and the researchers are not informed of the study details
C) all subjects and researchers are unaware of which subjects are under the various study conditions
D) only the researchers know which subjects are under the various study conditions

Question

Quizplus · Accepted Answer

In a double blind research design, both the subjects and the researchers are unaware of which subjects are under the various study conditions. This helps to reduce bias and increase the validity of the study results.

Double Blind Research Designs Are Ones in Which