ecological fallacy

(redirected from Specification bias)
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ecological fallacy

a false assumption that the presence of a pathogenic factor and a disease in a population can be accepted as proof that a particular individual is the cause of the disease.

ecological fallacy

In epidemiology, the erroneous attempt to determine an individual's specific risk of developing a disease from an analysis of the risk found in the study of a community or population.

ecological

emanating from or pertaining to ecology.

ecological biome
see biome.
ecological climax
the state of balance in an ecosystem when its inhabitants have established their permanent relationships with each other.
ecological fallacy
bias following misinterpretation that ecological factors affect all individuals equally.
ecological imbalance
the naturally occurring changes in the environment, e.g. bushfires, floods, volcanic fallout, which leave it unbalanced with respect to the type and quality of the feed they provide.
ecological interface
the border between two ecosystems.
ecological mosaic
a pattern of interspersed ecosystems.
ecological niche
1. the position occupied by an organism in relation to other organisms and to the environment.
2. a particular part of an ecological environment in which a particular plant or animal species prospers. It is the set of terms, in relation to food and water supply and relationship with predators and disease and with competitors, by which the organism achieves its full biological potential.
References in periodicals archive ?
Moreover, total reliance on continuous measures may create the possibility of significant specification bias.
Feldstein (1970) demonstrated that studies using the nominal instead of the real interest rate were subject to a serious specification bias.
Inflation, Specification Bias, and the Impact of Interest Rates," Journal of Political Economy, 78(6), 1970, 1325-1339.
This paper handles the problem of possible specification bias in the money demand equation through use of extreme bound analysis [Leamer 1983; 1985] on the estimated coefficients.
The use of extreme bound analysis has allowed for accounting of specification bias inherent in money demand models.
This is an important question because shelter costs form the largest budget item for most consumers and, from an econometric viewpoint, failing to account for structural attributes of dwellings found in the general housing stock may result in specification bias when estimating tenure model parameters.
Hence the omission of these variables may lead to a specification bias in the ultimate results.

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