Success of any organization depends on the performance of its employees. Enhancing organizational commitment among employees is an important aspect to perform better. The purpose of this study is to examine the effect of three components of organizational commitment; namely Affective, Continuance and Normative commitment, on employee's performance. The study is applied among 244 employees of Cooperatives, Labor and Social Welfare department of Markazi Province using a single-stage cluster sampling. The study uses a standard questionnaire for organizational commitment developed by Allen and Meyer and job performance questionnaire developed by Patterson were used to gather data. Structural equations modeling (SEM) technique has been used for data analysis. The result of this analysis indicates that the organizational commitment had a positive significant effect on the job performance. In addition, the study also showed that all three dimensions of organizational commitment, Affective, continuance, and normative commitment, had a positive significant effect on the job performance. From the findings, it has been proved that job performance was strongly associated with employee's commitment.

Background:The nature of the work in the emergency department is as if the unwilling persons are in trouble. Self-efficacy is necessary to overcome obstacles in this type of job. Thus, the purpose of this study was to determine the relationship between self-management strategy and self-efficacy of emergency staff, stressing on the mediating role of job stress and safety behavior. Materials and Methods:The present study is a non-experimental design and more precisely a correlation scheme of structural equation type. The study population consisted of all emergency department staff, including road and city campus in Ardabil province in 2017. To select the study sample group, 5 personnel from 40 bases in the entire province were randomly selected. A total of 200 employees were selected as the sample of the study. Harris job Stress Questionnaire (1995), General Health Questionnaire, Safety Behavior Questionnaire, and Self-management Strategy Questionnaire were used for data collection. Results:The results showed a significant negative relationship between job stress and selfefficacy (P<0.001). Also, there was a positive and significant relationship between safety behavior and self-management with self-efficacy (P<0.001). In addition, the present study showed that the job stress and safety behavior play a mediator role between self-management and self-efficacy of emergency staff. Conclusion:In general, considering that job stress, safety behavior and self-management predictive self-efficacy of emergency staff. Individuals with high self-efficacy wait for the desired outcomes of their performance. So by giving stress management training and applying their safety principles and strategies, targeting can create a sense of self-efficacy such that a person can withstand persistent efforts to overcome obstacles. Improving working conditions also plays an effective role in increasing productivity.

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Background: Sex education is one of the challenging areas of educational systems that has always been accompanied by many problems due to some obstacles and constraints. This has led to occurrence of many behavioral problems and deviations. The aim of this study was to determine the sex education gaps in university curriculum from the students' perspective. Methods: This was a descriptive-survey on students of universities in Kashan (15235 students), during academic year 2013-14. Overall, 220 students were enrolled in this study using stratified random sampling. Data collection tool was a questionnaire of sex education with 28 questions and six components (objectives, content, procedures, experiences and learning opportunities, cultural and advisory institutions' performance and university atmosphere) using a 5-point Likert scale. The content validity was confirmed by experts. The reliability was estimated as 0.89 using Cronbach's alpha coefficient. Descriptive and inferential statistics were used to analyze the obtained data. Results:The mean level of sex education gaps (3.97±0.56) in the university curriculum was above the average (3). The highest mean was related to the component of procedures (4.1±0.63) and experiences and learning opportunities (4.1±1.01). Conclusion:The results showed that the average level of gaps in sex education in the university curriculum is higher than the assumed mean level. The gaps are present in all components of objectives, content, procedures, experiences and learning opportunities, cultural and advisory institutions' performance and the university atmosphere. Keywords: Sex Education, Students, University IntroductionSex education as one of the key areas of education and upbringing along with other aspects such as social and mental-emotional training, play an important role in formation of personality, thoughts, emotions and behaviors of humans (1). However, sex education is also important from the perspective of sexual health. Sexual health training should be one of the most important components of healthcare, because many sexual problems are caused by the lack of knowledge about sexual issues. In addition, due to the spread of diseases, sexual disorders and increasing rates of AIDS, sex education and preventive programs are necessary (2). Sexual health is a condition in which a person beneficiate from a healthy, appropriate and normal sexual relationship with desirable physical, emotional and behavioral excitement resulted from a certain harmony, intimacy, love and in other words sexual satisfaction. Undoubtedly, one of the most important ways to achieve this type of health is to provide necessary training for individuals (3). Sex education affects health behaviors and leads to better understanding of sexual issues. Moreover, the variety of media and information and communication technology provides fast access to various forms of sexrelated information. This technical feature practically makes it easy for young individuals to retrieve and use different sexual contents and i...