WikiSysop
Created page with "'''Selection bias occurs when the sample selected for a study is not representative of the broader population, creating a mismatch between the sample and the population it is meant to represent.''' In other words, the individuals included in the study differ systematically from those excluded, introducing a potential source of error. == Forms of Selection Bias == # '''Sampling Bias''': This occurs when the process of selecting participants favors certain groups over ot..."