Bias,Selection

《英文msh词典》Bias,Selection
[同义词] Bias,Selection
[主题词] Selection Bias
[中文释义] 偏倚,选择
[英文释义] The introduction of error due to systematic differences in the characteristics between those selected and those not selected for a given study. In sampling bias,error is the result of failure to ensure that all members of the reference population have a known chance of selection in the sample.