alleryStart learning →In a double-blind study, who is unaware of the group assignments?
AOnly the participants
BOnly the researchers
COnly the journal editors
DResearchers and participants
Answer & Solution
Correct answer: D. Researchers and participants
1. Expectations can shape both what a participant reports and what a researcher records.
2. In a double-blind study, both the researchers and the participants are blind to group assignments.
3. That removes expectation effects on both sides at once.
4. A single-blind design would leave one side informed.
_Source: OpenStax Psychology 2e (CC BY 4.0), Ch 2 'Psychological Research', sections 2.1-2.4_
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