Selection Bias

nounse·lec·tion bi·aspronounced si-LEK-shuhn BY-uhs

Last updated 21 April 2026

What does the noun Selection Bias mean?

A statistical problem that occurs when properties sold by auction are systematically different from those sold by private treaty, in ways the model cannot fully account for. If higher-quality properties preferentially go to auction, comparing their prices to private treaty sales overstates any auction premium.

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MLA citation: "Selection Bias." How to Property, 21 Apr. 2026, https://howtoproperty.com.au/definitions/selection-bias. Accessed 7 June 2026.

Chicago citation: How to Property. "Selection Bias." Last modified April 21, 2026. https://howtoproperty.com.au/definitions/selection-bias.

APA citation: How to Property. (2026, April 21). Selection Bias. https://howtoproperty.com.au/definitions/selection-bias