Comparing the effect of aggressive and educational games on working memory and processing speed of primary school children

The aim of the present study is comparing the effect the effect aggressive and educational games on working memory and processing speed of primary school children in Tabriz. It was a post hoc study. The statistical universe included all students (82500 pupils that study in 2 section of Tabriz. The sample included 150 students that selected with available sampling method (50 students in educational group, 50 students in aggression group and 50 students in no experience of game). The include criteria was playing aggressive game and educational game during one recent year and seven hour or more in one week. The include criteria for third group was playing no game or playing an hour or less during a week. The students completed subscales of working memory test (digit span, Letter – Number sequencing) and processing speed (Symbol Search and coding) in WISC-4. The data were analyzed with SPSS software using ANOVA. The results showed that there was significant differences between educational group, aggression group and no experience of game in working memory and this difference was positive for educational group. The results showed that there was significant differences between educational group, aggression group and no experience of game in processing speed and this difference was positive for educational group (p < 0.001). The result confirmed that different kind of video game has different effect on cognitive process.