To study the effectiveness of patient care in hospitals, an organization focused only on patients in hospitals in urban areas.Would you expect the results to be biased?

No, patients in hospitals outside urban areas likely feel the same as patient in urban areas

No, as all patients in urban areas would be equally eligible to be in the sample

No, as patient care is of universal interest

Yes, as patients may feel pressure to respond positively about patient care so as not to upset their doctor

Yes, as patients in hospitals outside urban areas may have different expectations on patient care than others