Search results for "GROUP SELECTION"
showing 5 items of 15 documents
Social Interactions Among Bacteriophages
2020
Although viruses lack many of the social adaptations shown by more complex organisms, different types of social interactions have been unraveled in viruses. Phage research has contributed significantly to the development of this field, called sociovirology, with the discovery of processes such as intracellular and extracellular public good production, prudent host exploitation, cheating, and inter-phage communication. We here review and discuss these processes from a social evolution approach. Similar to other organisms, the origin and maintenance of phage-phage interactions can be explained using kin selection, group selection and game theory approaches. Key determinants of phage social ev…
Social representations as a diagnostic tool for identifying cultural and other group differences
2005
The aim of this research is to develop a procedure for data collection within a social representations perspective that may be of use in diverse contexts in which investigators wish to understand and compare the norms and values associated with a particular social object in different social or cultural groups. The social representation of sport is studied in two culturally distinct countries, Morocco and France, with the use of an innovative procedure derived from the Model of Basic Cognitive Schemes (Rouquette, 1990, 1994b). The results reveal a difference in the appropriation of values related to sport in the two countries: the social representation of sport for the Moroccans is focused a…
Classroom management practices and their associations with children’s mathematics skills in two cultural groups
2014
The aim of the study was to examine the extent to which contextual factors predict children’s mathematics skills in different cognitive domains. The sample consisted of 1734 students from 26 Estonian- and 17 Russian-language schools in Estonia. Mathematics and non-verbal reasoning tests were carried out at the beginning of the third grade. In addition, teachers were asked about their classroom management practices. The results of multilevel modelling showed that applying supportive practices in the classroom contributes to higher achievement in mathematics. Teachers from Estonian- and Russian-language schools were also found to differ with regard to their management practices, and these pra…
Customer value in Quick-Service Restaurants: A cross-cultural study
2020
Abstract In spite of the relativistic nature of Customer Value concept, research on differences in Value perceptions across cultures is still scarce. Gaining insight about this issue would be especially relevant for highly competitive and globalized industries such as Fast-Food or Quick-Service Restaurants (QSR). The purpose of the present paper is to identify Value dimensions in this industry and to analyze the links between dimensions of Value, Satisfaction and Loyalty, testing the consistency of the results obtained across three different countries. To achieve this aim, after one in-depth interview with a QSR manager and two intercultural focus groups with QSR customers, a questionnaire …
Human cooperation in groups: variation begets variation
2015
Open Access Published: 04 November 2015 Human cooperation in groups: variation begets variation Pieter van den Berg, Lucas Molleman, Jaakko Junikka, Mikael Puurtinen & Franz J. Weissing Scientific Reports volume 5, Article number: 16144 (2015) Cite this article 383 Accesses 4 Citations 6 Altmetric Metricsdetails Abstract Many experiments on human cooperation have revealed that individuals differ systematically in their tendency to cooperate with others. It has also been shown that individuals condition their behaviour on the overall cooperation level of their peers. Yet, little is known about how individuals respond to heterogeneity in cooperativeness in their neighbourhood. Here, we presen…