Measuring the impact of unethical behaviors on the reduction of citizens' social trust in good governance; Case study: Mashhad metropolis

 The aim of the current research is to investigate the theory of good governance and citizens' public trust in government organizations and public services with the moderating role of unethical behaviors. The present research method is practical in terms of its purpose; In terms of its nature, it is causal and in terms of the method of data collection, it is in the category of descriptive research, and in terms of the method of data analysis, it is a type of correlational research based on structural equation modeling. The statistical population of the current research is all citizens over 20 years of age in Mashhad. The data collection tool was a questionnaire that included 48 items and 4 demographic questions, and SPSS and Smart-Pls software were used for data analysis. Regarding the main question of the research, the results of the hypotheses show that good governance affects the social trust of citizens (the first hypothesis), good governance affects unethical behaviors (the second hypothesis), unethical behaviors affect the public trust of citizens (the third hypothesis), and finally governance Good has a positive and significant effect on the social trust of citizens through the moderating variable of unethical behaviors (the fourth hypothesis