Bias

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Bias

1. In statistics, a circumstance leading to inaccurate results because of conscious or unconscious manipulation of data. Bias is anything that reduces the randomness of the sample being tested.

2. Anything that affects a decision other than facts. For example, a company may be disinclined to expand into an area of town because it is perceived as dangerous, whether or not it actually is. Bias is thought to reduce efficiency. See also: Behavioral economics.
References in periodicals archive ?
is the leader in the discovery and development of GPCR biased ligand drugs.
Created by Gray Davis in the ``surplus'' year of 2000, the center was so obviously biased that Gov.
Each of these possibilities is biased, the team found.
In subsequent interviews, the clinician should discuss these items with the client to determine why they caused difficulties for the client and to determine whether they should be considered fair items for the client or whether they should be considered biased items that might have artificially elevated one of the scales on the personality assessment instrument that has been administered.
Legal experts say it is not uncommon for attorneys to file motions seeking the dismissal of a judge they believe is biased against them, but it is rare for such motions to be granted.
7 percent were classified as anti-homosexual biased.
2002) have recently shown that S-Plus (Insightful, Seattle, WA, USA), a widely used statistical software package, can produce biased estimates of the linear parameters in semiparametric GAMs, and they have proposed two methods for avoiding this bias.
The sex ratios of embryos sampled in 1998 were significantly male biased (42% females) close to the mill, whereas the normal sex ratio appeared to be around 50% females at all studied reference sites (20).
The mere fact that the offender is biased against the victim's race, religion, disability, sexual orientation, and/or ethnicity/national origin does not mean that a hate crime was invariably involved.
City Attorney James Hahn sharply rejected claims Tuesday that the Police Commission is biased against Chief Willie L.
The overestimation of inflation has biased many measures of real (inflation adjusted) output downward.