The actors are placed at nodes of the complete weighted graph. They are endowed with densities of contact with the other actors and with positions in a social hierarchy. These characteristics evolve in time according to the homophily principle and the Matthew effect. The result is that an actor with minimal status is excluded, and all other actors get the same high position. As for examples, the results allow us to make reference to racial criteria of promotion in the London Metropolitan Police, and to the scapegoating phenomenon, described in the literature.
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http://dx.doi.org/10.1063/5.0243490 | DOI Listing |
Chaos
January 2025
Faculty of Physics and Applied Computer Science, AGH University, al. Mickiewicza 30, 30-059 Krakow, Poland.
The actors are placed at nodes of the complete weighted graph. They are endowed with densities of contact with the other actors and with positions in a social hierarchy. These characteristics evolve in time according to the homophily principle and the Matthew effect.
View Article and Find Full Text PDFJ Res Crime Delinq
May 2022
Human Development and Family Studies, Pennsylvania State University.
Objectives: We examine the impacts of adolescent arrest on friendship networks. In particular, we extend labeling theory by testing hypotheses for three potential mechanisms of interpersonal exclusion related to the stigma of arrest: rejection, withdrawal, and homophily.
Method: We use longitudinal data on 48 peer networks from PROSPER, a study of rural youth followed through middle and high school.
Front Psychol
February 2023
Associate Professorship of Didactics in Sport and Health, TUM Department of Sport and Health Sciences, Technical University of Munich, Munich, Germany.
Introduction: Social interaction is associated with many effects on the psychological level of children such as mental health, self-esteem, and executive functions. Education Outside the Classroom (EOtC) describes regular curricular classes/lessons outside the school building, often in natural green and blue environments. Applied as a long-term school concept, EOtC has the potential to enable and promote social interaction.
View Article and Find Full Text PDFSynthese
October 2022
Department of Politics and Philosophy, University of Idaho, Moscow, USA.
Some common explanations of issue polarization and echo chambers rely on social or cognitive mechanisms of exclusion. Accordingly, suggested interventions like "be more open-minded" target these mechanisms: avoid epistemic bubbles and don't discount contrary information. Contrary to such explanations, we show how a much weaker mechanism-the preference for belief-can produce issue polarization in epistemic communities with little to no mechanisms of exclusion.
View Article and Find Full Text PDFAm J Health Promot
March 2022
Department of Health and Kinesiology, 14736Texas A&M University, College Station, TX, USA.
Objective: Social network analysis (SNA) can measure social connectedness and assess impact of interpersonal connections on health behaviors, including physical activity (PA). This paper aims to systematically review adult PA studies using SNA to understand important social network concepts relative to PA.
Data Source: A search was performed using PsycINFO, MEDLINE, PubMed, and Web of Science.
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