background: nowadays computer games are one of the main entertainments for children and adolescents. there are different results about positive and negative impacts of these games. the aim of this study was the survey of relationship between playing computer games and aggression in guidance school students of kermanshah city in 2012. methods: in this cross sectional study, 573 student selected ...

among the four important factors in the educational contexts, namely, teachers, learners, textbooks and contexts, textbooks play an important role in english language teaching (elt), particularly in the english as a foreign language (efl) classroom where it provides the primary source of linguistic input. the wealth of published material for english language teaching (elt) available in the mark...

The purpose of this study was to compare the participation in physical activity and computer games on the social development of students. The population of this research was made up entirely of male students from secondary schools in the city of Marivan (mean age of 13.5 years). Among them, 300 were selected purposively (150 athletes, 150 computer games players). In order to collect the informa...

abstract this study aimed to investigate how english language teaching textbooks portrayed male and female social actors according to their social roles and gender identities. to examine the linguistic representation of male and female social actors and construction of gender identities in elt textbooks, top notch series was selected. to do so, attempts were made to analyze the series in terms ...

Given the importance of physical activities for children of preschool age, it merits a critical viewing of the textbooks used at this level in order to improve the textbooks content where it may be needed. To this end, three such books published under the supervision of Tehran’s Department of Elementary Education in 2014, were selected, and reviewed for any words, sentences, and pictures relate...

the purpose of this study was to determine tv and computer games in underweight and obese boys and their relationship with physical activity, fitness and body composition. 482 male students (9 to 15 years old) participated in this study. they were selected from state (n=286) and private (n=196) schools. subjects were sampled in two stages; at first, cluster sampling was randomly performed and s...