《英文msh词典》Biases,Statistical
[入口词] Biases,Statistical
[主题词] Bias (Epidemiology)
[英文释义] Any deviation of results or inferences from the truth,or processes leading to such deviation. Bias can result from several sources: one-sided or systematic variations in measurement from the true value (systematic error); flaws in study design; deviation of inferences,interpretations,or analyses based on flawed data or data collection; etc. There is no sense of prejudice or subjectivity implied in the assessment of bias under these conditions.