biased estimator

a value obtained from sample data that consistently under- or overestimates the true quantity in the larger population of interest. In other words, a biased estimator is one whose value on average differs from the value of the parameter it purports to represent. Also called biased statistic. Compare unbiased estimator.

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Psychology term of the day

December 24th 2024

sociocognitive bias

a subtle bias in judgment to which evaluators may be susceptible. Unlike values, sociocognitive biases are inaccurate judgments that result from shortcomings in cognitive processing; they appear to be universals that intrude regardless of values or ethics.