SUMMARY
The purpose of the study is to measure the effects of bilingualism on conflict regulation, cognitive control and recognition among primary school children. This study is a description study on primary school students in the city of Parse Abab, the branch of Ardabil, Iran that is studying in the school year 94-95. The sample consists of 120 students which include 60 boys and 60 girls. The samples were selected by randomly. In this study the questionnaires and tasks based on cognition and recognition was used. The questionnaires were collected from both groups were analyzed by SPSS software and SPSS software was used to measure mean, median, standard deviation, significance level, etc., and to analyze the hypotheses of variance by (MANOVA). The results showed that the bilingualism has direct effect on the conflict regulation, cognitive control and recognition among primary school children. There is significant difference among bilingual and monolingual students performance. To the best of our knowledge, this is the first study to examine the temporal aspects of bilingualism in relation to the conflict regulation, cognitive control and recognition of students in primary schools in bilingual areas. Other studies try to examines the effect of bilingualism on only one of the variables but this study consider three variable in order to show clearly its effect on each of the variables separately.