Sampling Bias in Clinical Research
Sampling bias is one of the most common threats to credible research results. If your study participants do not accurately represent your target population, your findings may look strong on paper but fail in the real world. Sampling bias occurs when the participants selected for a study are not representative of the population the results are meant to reflect. It matters because biased samples can distort outcomes, limit generalizability, and weaken the credibility of product
By Ben Brockman