169. A critical situational clinical trial protocol describes using an unvalidated questionnaire to measure a key patient outcome. What is the urgency for a biostatistician’s intervention?
A.
To accept the questionnaire as is.
B.
To urgently advise that an unvalidated instrument can lead to unreliable and invalid data, compromising the study's conclusions, and to recommend using a validated tool.
✓
C.
To only focus on the sample size.
D.
To assume the questionnaire is good.
📖 Additional Information
To accept the questionnaire as is.
To urgently advise that an unvalidated instrument can lead to unreliable and invalid data, compromising the study's conclusions, and to recommend using a validated tool.
