In a Double-Blind Study

Multiple Choice

In a double-blind study,

A) the participants are not aware of who is in the treatment and control groups, but the researcher providing the treatment does know.
B) neither the researcher providing the treatment nor the participants are aware of who is in the treatment and who is in the control group.
C) neither the researcher providing the treatment nor the research participants can ever be made aware of the research findings.
D) the research participants are not aware that they are participating in a research study.