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In a ________ study, both the researchers and the participants are unaware of the group assignments.
A
single-blind
B
case
C
correlational
D
double-blind
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Understand the key terms: A 'single-blind' study means that only the participants are unaware of their group assignments, while the researchers know which participants are in which group.
Recognize that a 'case' study is an in-depth analysis of an individual or group, not related to blinding procedures.
Know that a 'correlational' study examines relationships between variables without manipulating them, and blinding is not typically a focus.
Identify that a 'double-blind' study is one in which both the researchers and the participants are unaware of the group assignments, preventing bias from either party.
Conclude that the correct term to fill in the blank is 'double-blind' because it matches the description of both parties being unaware.