This appendix contains six sections. The first section details and provides further justification for the parameters of the model, including selection into media. It also specifies the order of operations within the model. The second details the method of network construction and parameterization. The third lays out and justifies the methodology by which results given in the paper were derived....

Recently, the second author, Briseid and Safarik introduced nonstandard Dialectica, a functional interpretation that is capable of eliminating instances of familiar principles of nonstandard arithmetic including overspill, underspill, and generalisations to higher types from proofs. We show that, under few metatheoretical assumptions, the properties of this interpretation are mirrored by first ...

In the paper, a yes-no model of influence is generalized to a multi-choice framework. We introduce and study weighted influence indices of a coalition on a player in a social network, where players have an ordered set of possible actions. Each player has an inclination to choose one of the actions. Due to influence of a coalition of other players, a final decision of the player may be different...

This paper presents results of investigations of children’s use of referring expressions in spontaneous conversation with adults, and considers possible implications of this work for questions relating to development of a theory of mind. The study further confirms previous findings that children use the full range of referring forms (definite and indefinite articles, demonstrative determiners, ...

the purpose of this study was to analyze those factors affecting volunteering in sport associations of universities in tehran. the research was a descriptive, survey and field study and was categorized as an applied research based on its aim as well. in order to collect the data, a questionnaire (andam, 2007) was used and distributed among target population which consisted of all boys and girls...

We study secessionist conflict driven by cultural and economic motives in a political union of two regions, and analyze under what conditions partial decentralization may serve as a conflict-mitigating strategy. While the probability of a successful secession is increasing in heterogeneity, it is increasing in interregional income inequality if and only if the union is socially efficient to sta...

This study was conducted to compare the social adjustment of the mothers with transsexual children with that of mothers with normal kids in order to find out the negative impacts of having a trans child on social adjustment of mothers. This research had a causal-comparative design. The statistical population of the study comprised mothers with trans children referred to Tehran Psychiatric Insti...

In this paper we describe our work in progress on investigating an understudied aspect of social interaction, namely laughter. In social interaction between humans laughter occurs in a variety of contexts featuring diverse meanings and connotations. Thus, we started to investigate the usefulness of this auditory and behavioral signal applied to social robotics. We first report on results of two...

1.1 The question how much income inequality is acceptable All modern nations engage in active income redistribution and have a system that taxes the wealthy to a greater extent than the poor. Redistributive policies are accompanied by a continuous discussion on the question of how much income inequality is justified (e.g. Pen and Tinbergen, 1977; Sen, 1997). This discussion has an important ide...