Bias (Epidemiology) |
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| Bias; Bias, Epidemiologic; Biases; Biases, Ecological; Biases, Epidemiologic; Biases, Statistical; Ecological Biases; Ecological Fallacies; Ecological Fallacy; Epidemiologic Biases; Fallacies, Ecological; Fallacy, Ecological; Statistical Biases | |
| 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. | |