statistical bias

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• bias — bi‧as [ˈbaɪəs] noun biases PLURALFORM [countable, uncountable] MARKETING in market research, errors in results, usually caused by working with a group of people who are not typical of the group you want to know about, or by asking confusing… …   Financial and business terms

• Bias — This article is about different ways the term bias is used . For other uses, see Bias (disambiguation). Bias is an inclination to present or hold a partial perspective at the expense of (possibly equally valid) alternatives. Bias can come in many …   Wikipedia

• Statistical survey — Statistical surveys are used to collect quantitative information about items in a population. Surveys of human populations and institutions are common in political polling and government, health, social science and marketing research. A survey… …   Wikipedia

• Bias disorder — Bias disorder, also known as extreme bias disorder, is a mental condition not yet fully accepted by the mental health/science community. However, it is currently being considered to be added to the official list of actual mental disorders: the… …   Wikipedia

• Statistical literacy — is a term used to describe an individual s or group s ability to understand statistics. Statistical literacy is necessary for citizens to understand material presented in publications such as newspapers, television, the internet. Numeracy is a… …   Wikipedia

• bias — [bī′əs] n. pl. biases [MFr biais, a slope, slant < OFr < OProv < ?] 1. a line, cut or sewn diagonally across the weave of cloth, as in making seams, binding tape, etc. 2. a mental leaning or inclination; partiality; bent 3. Lawn Bowling… …   English World dictionary

• Statistical hypothesis testing — This article is about frequentist hypothesis testing which is taught in introductory statistics. For Bayesian hypothesis testing, see Bayesian inference. A statistical hypothesis test is a method of making decisions using data, whether from a… …   Wikipedia

• Bias (statistics) — In statistics, the term bias is used for describing several different concepts: * A biased sample is one in which some members of the population are more likely to be included than others. **Spectrum bias refers to evaluating the ability of a… …   Wikipedia

• Bias — In a clinical trial, bias refers to effects that a conclusion that may be incorrect as, for example, when a researcher or patient knows what treatment is being given. To avoid bias, a blinded study may be done. * * * 1. Systematic discrepancy… …   Medical dictionary

• bias — n. & v. n. 1 (often foll. by towards, against) a predisposition or prejudice. 2 Statistics a systematic distortion of a statistical result due to a factor not allowed for in its derivation. 3 an edge cut obliquely across the weave of a fabric. 4… …   Useful english dictionary

• bias — I. noun Etymology: Middle French biais Date: 1530 1. a line diagonal to the grain of a fabric; especially a line at a 45 degree angle to the selvage often utilized in the cutting of garments for smoother fit 2. a. a peculiarity in the shape of a… …   New Collegiate Dictionary