APFIVE Reducing Researcher Bias in Experimental Studies
In an experimental study assessing the impact of sleep on academic performance, what adjustment could reduce potential researcher bias?
A
Have researchers conduct all assessments personally to ensure consistency.
B
Use open-label designs so all parties are informed about who is receiving which treatment.
C
Implement double-blind procedures where both subjects and researchers are unaware of group assignments.
D
Select subjects who have previously participated in similar experiments for familiarity with procedures.
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