Bias
nounverified·updated May 18, 2026
(mathematical) A point estimator \theta_hat is said to be an unbiased estimator fo \theta if E(\theta_hat) = \theta for every possible value of \theta. If \theta_hat is not unbiased, the difference E(\theta_hat) - \theta is called the bias of \theta
Framework senses
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- A systematic error. In the context of fairness, we are concerned with unwanted bias that places privileged groups at systematic advantage and unprivileged groups at systematic disadvantage.
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- (mathematical) A point estimator \theta_hat is said to be an unbiased estimator fo \theta if E(\theta_hat) = \theta for every possible value of \theta. If \theta_hat is not unbiased, the difference E(\theta_hat) - \theta is called the bias of \theta
ISO/IEC 22989:2022 Information technology — Artificial intelligence — Artificial intelligence concepts and terminology1 senseview framework →
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- (systemic bias) systematic difference in treatment of certain objects, people or groups in comparison to others
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- (computational bias) An effect which deprives a statistical result of representativeness by systematically distorting it, as distinct from a random error which may distort on any one occasion but balances out on the average.
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- a partiality that prevents objective consideration of an issue or situation
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- a line or cut across a fabric that is not at right angles to a side of the fabric