964 resultados para implicit categorization
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Thesis (M.S.)--University of Illinois at Urbana-Champaign.
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Mode of access: Internet.
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Thesis (M.S.)--Illinois.
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Bibliography: p. 27-29.
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Supported in part by National Science Foundation under Grant No. U.S. NSF-GJ-328.
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Bibliography: p. 41-42.
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Issued also as thesis (M.S.) University of Illinois.
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Bibliography: p. 29.
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Thesis (M.S.)--University of Illinois, 1970.
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"December 1985"--Cover.
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Although relational demographers have based their arguments on self-categorization theory, they have paid little attention to the underlying processes associated with this theory. The authors examined whether demographic dissimilarity affects individuals' identification with groups by affecting the group's prototype valence and clarity and the individual's perceptions of self-prototypicality. The data showed that the proportion of women and non-Australians in 34 work groups negatively influenced prototype valence, prototype clarity, and self-prototypicality for all members of the group. These results provide support for the continued use of self-categorization theory by relational demographers.
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In this paper we construct implicit stochastic Runge-Kutta (SRK) methods for solving stochastic differential equations of Stratonovich type. Instead of using the increment of a Wiener process, modified random variables are used. We give convergence conditions of the SRK methods with these modified random variables. In particular, the truncated random variable is used. We present a two-stage stiffly accurate diagonal implicit SRK (SADISRK2) method with strong order 1.0 which has better numerical behaviour than extant methods. We also construct a five-stage diagonal implicit SRK method and a six-stage stiffly accurate diagonal implicit SRK method with strong order 1.5. The mean-square and asymptotic stability properties of the trapezoidal method and the SADISRK2 method are analysed and compared with an explicit method and a semi-implicit method. Numerical results are reported for confirming convergence properties and for comparing the numerical behaviour of these methods.
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Three studies tested a self-categorization theory explanation for the third-person effect. In Study 1 (N = 49) undergraduate students judged the influence of the National Enquirer, Wall Street Journal, and TV show Friends on themselves, relative to low- and high-status outgroup members, and other undergraduate students. The profile of first- and third-person perceptions was largely consistent with predictions, and the size of the third-person effect decreased as perceived similarity to target others increased-but only for media that were normative for comparison others. Study 2 (N = 49) provided evidence for this process with different media and showed that the profile of first- and third-person perceptions matched closely with perceived norms of media consumption-but not the social desirability of those media. Study 3 (N = 64) showed that the third-person effect for the same media and target other shifts with the frame of reference in which the judgment is made. Taken together, the findings are consistent with self-categorization theory and difficult to reconcile with other explanations.
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We articulate the role of norms within the social identity perspective as a basis for theorizing a number of manifestly communicative phenomena. We describe how group norms are cognitively represented as context-dependent prototypes that capture the distinctive properties of groups. The same process that governs the psychological salience of different prototypes, and thus generates group normative behavior, can be used to understand the formation, perception, and diffusion of norms, and also how some group members, for example, leaders, have more normative influence than others. life illustrate this process across a number of phenomena and make suggestions for future interfaces between the social identity perspective and communication research. We believe that the social identity approach represents a truly integrative force for the communication discipline.