7. When designing a medicinal clinical trial, researchers often use blinding. From a biostatistical perspective, what is the critical purpose of blinding?
A.
To reduce the cost of the trial.
B.
To prevent bias in the assessment of outcomes due to participant or researcher expectations.
✓
C.
To make data analysis easier.
D.
To ensure all participants receive the active drug.
📖 Additional Information
To reduce the cost of the trial.
To prevent bias in the assessment of outcomes due to participant or researcher expectations.
To make data analysis easier.
To ensure all participants receive the active drug.
