Nowadays the audience's behaviors and reactions to health-related messages are of great importance. The present research aimed at studying the effect of health-related messages on the behaviors of social networks audiences according to attention, interest, desire, action model. The study used structural equation modeling to analyze the gathered data. The data were collected from the audiences of Telegram social network in Iran by using a questionnaire whose reliability and validity had been confirmed. The participants were selected by adopting a simple random sampling approach. The data of 384 questionnaires were analyzed. The findings of the present study indicated that health-related messages have positive significant effects on the behaviors of social networks audiences. Moreover, the findings of the present study confirmed the effects of physical, social, spiritual, and mental health on attracting attention, building interest, arousing desire, and persuading to take action among social networks audiences. Therefore, according to the research findings, it can be said that health-related messages sent to the audiences of Telegram social network can change the behavior of audiences. In other words, it can be concluded that health-related messages can affect the behaviors of social networks audiences.

Motivation as a psychological factor can affect the mental health of employees and consequently the health of work place. It has been recently concerned in the social science literature. The present study aimed to assess the mediating effect of job satisfaction on the relation of motivation, perceived support and training to perceived commitment. The data study analyzed in the structural equation modeling method. The data were gathered in library field, and, also using questionnaire. The data were achieved from staff of Sabzevar city municipality using validity and reliability approved questionnaires. For validity, face and construct validity and for reliability, Cronbach's alpha was used. Finally, data from 159 questionnaires were analyzed. The findings showed that motivation, perceived support and training had positive significant effects on normative and continuance commitment of employees. Also, positive significant effect of job satisfaction on continuance and normative commitment was confirmed. In addition, the findings of this study indicated positive effect of motivation, perceived support and training on perceived commitment with mediating role of job satisfaction. In other words, the more motivation, perceived support and training are, the more job satisfaction will be, which in turn can result in the increased continuance and normative commitment.