A Double-Blind Experiment Is One in Which

Multiple Choice

A double-blind experiment is one in which

A) Both the research participants and those interacting directly with the study are aware of the exact nature of the hypotheses being tests and/or to which level of the independent variable a participant has been exposed
B) The research participants are unaware of which level of the independent variable they have been assigned to and/or are unaware of the nature of the researcher's hypothesis
C) Neither the subject nor those interacting directly with the study are aware of the exact nature of the hypotheses being tests and/or to which level of the independent variable a participant has been exposed
D) All participants have been instructed on how to behave during the study