In a Single-Blind Study, the Participants Do Not Know the Purpose

question 14

Multiple Choice

In a single-blind study, the participants do not know the purpose of the study or the condition to which they are assigned. What is the difference in a double-blind study?

• A) The researcher tells the participants the purpose and their assigned conditions in the study.
• B) The participants also do not know when the actual study begins or ends.
• C) The researcher also does not know which condition the participants are in.
• D) The participants know to which condition they have been assigned, but the researcher does not.

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