Malmquist bias

English

Etymology

Named after Swedish astronomer Gunnar Malmquist, who first described the effect in 1922.

Noun

Malmquist bias (uncountable)

A type of selection bias, where brighter objects appear to be more common at further distances; caused by a larger actual sample gathering region per square degree at further distances, and that dimmer sources drop out of sight due to distance.

Coordinate terms

bias
observational bias
observation bias
selection bias
selection effect
statistical bias
systematic bias

Derived terms

classical Malmquist bias
Eddington-Malmquist bias
statistical Malmquist bias
systematic Malmquist bias

Translations

Translations

Finnish: Malmquistin valintaharha
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