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Majority Group Perceptions of Criminal Behavior: The Accuracy of Race-Related Crime Stereotypes (1996)

Gordon, Randall A. ; Michels, Jennifer L. ; Nelson, Caroline L.

Oxford, UK : Blackwell Publishing Ltd

Journal of applied social psychology 26 (1996), S. 0

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ISSN: 1559-1816

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Psychology

Notes: Majority group perceptions regarding the relative frequency of crimes committed by various races and ethnic groups were examined. White-collar crimes such as embezzlement and fraud were ranked as more common for White criminals, and blue-collar crimes such as aggravated assault and motor vehicle theft were ranked as more common for Black criminals. Perceptions were subsequently compared with data from the Uniform Crime Reports for the U.S. (U.S. Department of Justice, 1992). As a function of overestimating the number of white-collar crimes and underestimating the number of blue-collar and violent crimes committed by Whites, majority group subjects held somewhat more accurate perceptions of minority groups than of their own group.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1111/j.1559-1816.1996.tb01843.x

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Homogeneous nucleation of metals in a plasma-quench reactor (1996)

LaViolette, Randall A. ; Berry, Ray A. ; McGraw, Robert

Springer

Plasma chemistry and plasma processing 16 (1996), S. 249-264

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ISSN: 1572-8986

Keywords: Homogeneous nucleation ; metal vapors ; supersonic flow nozzle ; plasma quench reactor

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Technology

Notes: Abstract We present a new and general application of the method of moments for modeling the nucleation of condensates in a steady-state supersonic nozzle flora generated in a plasma-quench reactor. A closed set of growth/evaporation rate equations has been employed to propagate the moments of the particle size distribution without invoking the usual coarse-graining or truncation approximations of conventional binning approaches. The method has been employed to calculate the nucleation rates, particle number density, and the particle-size distribution for 11 elemental metals (Ag, Al, Be, Ce, Cr, Fe, Gd, Ti, Th, U, and Zr) condensing in a model argon nozzle flow. We have identified the regions in the nozzle of maximum nucleation rate, and have shown how different particle-size distributions can develop in different regions.