Institute of Educational

The current study aims to peruse the effectiveness of teaching communicative skills through multimedia on the self-esteem of girl students with hearing problem. The research methodology is of semi empirical type and statistical population encompassed the whole girl students with hearing problem at sixth grade in Tehran city. With sampling method, thirty students were selected and randomly were divided into two groups: control and experiment. The tool for collecting data in this study was Kupper smith's self-esteem questionnaire. This scale has fifty eight questions in which fifty questions are evaluating the self-esteem and eight questions are lie detectors. Totally the fifty questions are divided into four subscales naming: total self-esteem, social self-esteem, family self-esteem and educational self-esteem. the grades are one and zero and the answers are whether yes or no. the experiment group was trained through multimedia software which is built by the researcher , and the control group was kept  away from the independent variable . For checking the changes, first a pre-test was conducted on both groups. After the pre-test was conducted, the experiment group was exposed to independent variable and post test was conducted on both groups. Statistical approaches in two levels of descriptive (central and  dispersal indexes) and deductive ( covariance' s single variable analysis )were used for analyzing the research's data. Generally the results showed that students' self esteem increased by teaching communicative skills by using multimedia. 

Exercise and physical activity remains one of the very important parts of the education system. The purpose of the present study was to compare the happiness, self-esteem and anxiety of schoolchildren participating in and those not participating in the design of an interdisciplinary sports Olympiad. The research method is causal-comparative. The population of the study consisted of second year 2013-2014 female students from Arak. Multi-stage cluster sampling technique was employed to select 155 each for the participating and non-participating students. The instruments were Oxford Happiness Inventory, Catholic Anxiety Inventory, Cooper Smith Self-Esteem Questionnaire. the data was analyzed using MANOVA based on SPSS version 22software. Findings showed that happiness and self-esteem of students of schools participating in the Olympiad sports program were 95% higher than those who did not participate in the project, but there was no significant difference between the two groups' anxiety. Also, the results showed that school students who run the sport Olympiad within the school had higher happiness and higher self-esteem than students who did not run the school. Therefore, it is recommended to improve vitality, happiness, and self-esteem of the students through increasing their inclusion in exercise and physical activity, this project be implemented in all schools.