Background and Objectives: Thesedays, people all over the world are faced down with the public media as new communication technologies in societies. A phenomenon that has been able to cover a large part of their daily lives and as the most important communication way with the world, affect on all private and public areas such as religion, ethics, politics, society and culture. Media literacy creates the opportunity to achieve a framework of criticism view in this field by educating and raising the audience knowledge level. Therefore, media literacy could be introduced as the ability of the audience to analyze the message of various media with a criticism view of the content of these messages. Therefore, teaching media literacy to students, as individuals who will play the most important role in the future of any society, can have a significant impact on creating a correct and efficient understanding of the atmosphere of today's societies. Therefore, the purpose of this study is to determine the effect of teaching thinking and media literacy book on the ability of optimal media consumption and criticism analysis of its messages in the tenth grade students in the Khomein city.
Methods: The present study is an applied research and quasi-experimental in terms of data collection method. In the present study, the pre-test & post-test designs has been used by performing four steps. The statistical population included 1173 students in the tenth grade of Khomein city in the 1398-99 academic year. Sampling method used in this research is available sampling. The sample size of this study in the experimental group is a class by 30 student. To evaluate the criticism analysis of media messages and its components, two standard media literacy questionnaires Azizi & Falsafi with 59 and 20 items were used, respectively. The validity of the questionnaires was confirmed by expert authors in this field and Their reliability was confirmed by Cronbach's alpha coefficient 0.89 For Azizi questionnary & 0.79 for Falsafi questionnary. Then, during the academic year, students were taught a book on thinking and media literacy. At the end, the post-test was taken from the experimental group. Data analysis in the descriptive statistics section includes plenty, percentage, mean and standard deviation and in the inferential section correlation or paired t-test; Data analysis was also performed with SPSS 25 software.
Findings: The findings of this study show that the mean scores of the ability of optimal media consumption, criticism message analysis, message properties and the message criticism in the post-test compared to the pre-test has increased significantly. Also, the difference between the variables pair are at the 95% meaningfulness. In the other words, it can be claimed that there is a significant difference in all components of these two variables.
Conclusion: According to this research findings, it can be concluded that teaching the book of thinking and media literacy in the tenth grade of high school in the Khomein city can improve the ability of optimal media consumption and the criticism message analysis in the students.
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