this study has aimed to investigate the effect ofthree-dimensional and two-dimensional video games on problem-solving styles ofstudents. statistic society in this study consisted of persian gulf universitystudents in 2016-2017 academic year. and after notification by theproclamation, 45 students were selected voluntarily. at first all 45 students,completed intelligence test and past the experie...

in the paper‎, ‎some new existence theorems of maximal elements for‎ ‎$mathscr{f}_{c,theta}$-mappings and $mathscr{f}_{c,theta}$-majorized mappings are established‎. ‎as applications, ‎some new existence theorems of equilibrium points for‎ ‎one-person games‎, ‎qualitative games and generalized games are obtained‎. ‎our results unify and generalize most known results‎ ‎in recent literature‎.

introduction: computer games have attracted remarkable attentions in general publics with different cultures and their effects are subject of research by cognitive neuroscientists. in the present study, possible effects of the game fifa 2015 on cognitive performance, hormonal levels, and electroencephalographic (eeg) signals were evaluated in young male volunteers. methods: thirty two subjects ...

In this paper, we deal with games with fuzzy payoffs. We proved that players who are playing a zero-sum game with fuzzy payoffs against Nature are able to increase their joint payoff, and hence their individual payoffs by cooperating. It is shown that, a cooperative game with the fuzzy characteristic function can be constructed via the optimal game values of the zero-sum games with fuzzy payoff...

Background: Motivation is an important factor in learning. Educational games increase the learning motivation and understanding of students by creating a sense of joy, satisfaction and involvement. However, it is necessary to incorporate learning elements into the games, differently. In this study, the researcher tried to provide a model for designing educational games and determining its relat...

 In this research UF cheese pricing is considered and Pegah, Pak, Kaleh, Rouzaneh and Mihan firms’ data, as five main UF cheese competitive firms of Iran in breakfast cheese competitive market, is used. By using these firm’s sales data, production data and price of each ton of UF cheese in nineteen work-periods (each work-period is 6 months), their sales equations are estimated for each work-pe...

Introduction: This research investigated the effects of violent and football video games on cognitive functions, cortisol levels, and brain waves. Methods: A total of 64 participants competed in a single-elimination tournament. Saliva samples of all players were obtained before and after the games for the assessment of cortisol levels. The cognitive performances of the players were also assess...