159. A study attempts to estimate the prevalence of diabetes by administering a questionnaire that asks about self-reported diagnosis. What critical type of bias might this introduce?
A.
Selection bias.
B.
Information bias (e.g., misclassification due to self-report).
✓
C.
Confounding.
D.
Observer bias.
📖 Additional Information
Selection bias.
Information bias (e.g., misclassification due to self-report).
