What is selection bias in clinical trials?

What is selection bias in clinical trials?

Selection bias occurs when the participants included in a clinical trial are not representative of the general population, leading to skewed results.

Can you give me an example of selection bias?

Sure! If a trial only includes healthy volunteers, the results may not apply to patients with underlying health conditions.

How can researchers minimize selection bias?

Researchers can use random sampling methods and ensure diverse participant recruitment to minimize selection bias.

What are the consequences of selection bias?

Selection bias can lead to incorrect conclusions about a treatment's effectiveness and may affect patient care guidelines.