valikoitumisvirhe
Valikoitumisvirhe, also known as selection bias, is a systematic error that can occur when the individuals or groups selected for a study are not representative of the population that the researchers intend to study. This discrepancy leads to an inaccurate or misleading conclusion about the population. It arises because the selection process itself favors certain outcomes or individuals over others.
There are several common forms of valikoitumisvirhe. For instance, self-selection bias occurs when participants choose to
Healthy user bias is a specific instance where individuals who adopt a healthy lifestyle tend to participate