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Today, because of living in the machines age and the resulted less mobility and activity of citizens, the diverse and accessible sports for the citizens has become more important. This research which was carried out by qualitative methodology with fundamental-exploratory nature and using the grounded theory is aimed at designing a conceptual model for citizen sports in Tehran metropolitan area. The purposeful-snowball sampling method was used in the research. Accordingly, in order to collect the data, 25 experts of citizen sports were interviewed, and the Strauss and Corbin paradigm analysis was used to develop the final model. Given the results, motivational and health factors were identified as causal conditions, the hardware and software context was identified as the dominant field, the behavioral, structural and environmental level factors were identified as the intervening conditions. Also, promotional, legal, financial, educational, interactive and developmental measures were identified as strategies, and securing national interests, economic consequences, sport development, health-sanitary and socio-cultural outcomes were identified as the strategies implementation results. Given these findings, one can expect that by identifying the citizen sports conditions and concentration on strategic actions, the functional and operational facilities for its development and growth would be provided in Tehran metropolitan area.

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The aim of the present study was to investigate the effect of inducing positive stereotypes on perceived competence, interest and motor learning in adolescent girls. Therefore, among all of the adolescent girls in Shiraz, 30 adolescent with the age range of 10-13 years were selected by convenience sampling. Participants performed 10 trials as a pre-test and afterward, they were randomly divided into two groups  . The acquisition phase consisted of 50 trials (5 blocks of 10 trials), and the task required participants to perform inside kicks at targets area attached to a wall and touching the ground. Twenty-four hours after the acquisition phase, participants attended retention test (with 10 trials) to check learning effects on them. The participants were asked to answer the questions related to perceived competence and interest before pre-test, after the acquisition phase, and before the retention test. To analyzing data, one way and Mix ANOVAs analysis and Independent T test were conducted using SPSS21 at significance level P≤0.05. The results showed that in the acquisition phase, all groups significantly increased their accuracy, though difference among groups was not significant. Also, the results showed that the induction of positive stereotypes led to higher perceived competence and motor learning in adolescent girls