selection bias

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English[edit]

English Wikipedia has an article on:
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Noun[edit]

selection bias (countable and uncountable, plural selection biases)

  1. The bias introduced by the selection of individuals, groups, or data for analysis in such a way that proper randomization is not achieved, thereby ensuring that the sample obtained is not representative of the population intended to be analyzed.
    Hyponym: toupee fallacy

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