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We investigate various group-size distributions occurring in a situation where each group's resource is exposed to appropriation by other groups. The amount of appropriation depends on the size difference between groups. Our work focuses on the cases where the entire community isolates a small group or even an individual to maximize its gain. While people's basic motivation to form a group can be understood based on the group-size effect on multiplying a collective asset, sensitive factors that induce a asymmetric group distribution are the group efficiency and the ratio of secured assets to assets pending in a competition. We show that social rejection to a minor group may occur when the group efficiency is relatively low and their asset is severely exposed to possible appropriation.
This article was published in the following journal.
Name: PloS one
Human cooperative behavior has long been thought to decline under adversity. However, studies have primarily examined perceived patterns of cooperation, with little eye to actual cooperative behavior ...
The classical, monomorphic, evolutionary games analyze competition among phenotypes while implicitly assuming monomorphic transmission of phenotypic attributes to successive generations. The recently ...
Social Network Analysis establishes a network system and provides information about the relationships (edges) between system components (nodes). Although nodes usually correspond to actors within the ...
We describe an iterated game between two players, in which the payoff is to survive a number of steps. Expected payoffs are probabilities of survival. A key feature of the game is that individuals hav...
We explore the effects on strategic behavior of alternative representations of a centipede game that differ in terms of complexity. In a laboratory experiment, we manipulate the way in which payoffs a...
Traditionally, people have always been focusing on vascular injuries by angiography. Recent years, the investigators have further known that the pathological foundation of various cardiova...
Objectives: Aim 1. Develop a prototype intervention electronic game that implements a baseline testable feature set, including features for social networking within a virtual game space, ...
Broad, diverse, and innovative efforts are needed to address the growing dual public health challenges of obesity and diabetes, especially for those at increased risk like minority older a...
Girl Empower (GE) is a program designed to equip girls with the skills and experiences necessary to make healthy, strategic life choices and to stay safe from sexual exploitation and abuse...
This is Phase II of a study previously registered on ClinicalTrials.gov (NCT02812329). Phase II focuses on adapting and expanding the reach of a previously developed video game aimed at HI...
Theoretical construct used in applied mathematics to analyze certain situations in which there is an interplay between parties that may have similar, opposed, or mixed interests. In a typical game, decision-making "players," who each have their own goals, try to gain advantage over the other parties by anticipating each other's decisions; the game is finally resolved as a consequence of the players' decisions.
The concept covering the physical and mental conditions of members of minority groups.
The separation and isolation of tissues for surgical purposes, or for the analysis or study of their structures.
Theoretical approach to social processes with a fundamental concern with power phenomena. There is a focus on the analysis of culture, the influence of Foucault, and the development of feminist perspectives.
A game in which a round inflated ball is advanced by kicking or propelling with any part of the body except the hands or arms. The object of the game is to place the ball in opposite goals.