Omission bias is a cognitive bias that occurs when individuals judge harmful consequences as less severe when they result from an omission (a failure to act) rather than from a commission (an active decision to act). In other words, people often perceive inaction as less blameworthy or less harmful compared to actions that lead to negative outcomes. For example, in medical ethics, a physician might choose not to give a certain treatment due to its potential risks, even if that treatment could help the patient.
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