Introduction: One of the factors that can create the necessary commitment among employees for the success of the organization is the prevailing atmosphere of the organization. In other words, a proper atmosphere and favorable moral climate help to improve performance, achieve goals, and maintain communication in the organization and play a vital role in the performance of the organization (in any field of work). Therefore, this study aimed to explain and design a spirituality-based work ethic model in the workplace in the Crisis Management Organization, Tehran, Iran. Method: This applied research was conducted based on a mixed methodology. The statistical population of this study in the qualitative part consisted of 128 directors of Tehran Crisis Management Organization in 2020-2021, reaching saturation with 19 people. Moreover, the statistical population of this study in the quantitative part included the staff of Tehran Crisis Management Organization in 2020-2021, among which 250 samples were selected based on Cochran's formula. The samples were chosen using stratified random sampling method and the instruments employed in the qualitative and quantitative parts were an exploratory and semi-structured interview and a researcher-made questionnaire, respectively. The collected data were analyzed in MAXQDA-2020 software and AMOS-26 software in the qualitative and quantitative parts, respectively. The AMOS software was used to measure the structural equation modeling and analyze the model fit indices. Findings: According to the findings, the work ethic model was based on spirituality in the workplace. In this model, ethical commitment, professional commitment, and relationship commitment were considered causal conditions of spirituality-based work ethic in the workplace in the Crisis Management Organization. Moreover, organizational ethical climate, Islamic ethical culture, ethical leadership, and ethical and Islamic education were respectively considered a pivotal phenomenon, interactive strategies, intervening conditions, and contextual variables of spirituality-based work ethic in the workplace in the Crisis Management Organization. Conclusion: The results of showed that all the reviewed indices were accepted to evaluate the fit of the modified structural model of the research. Given this, it can be said that the fit of this model was "approved". Furthermore, the total effect values of contextual variables, causal conditions, intervening conditions, strategies and interactions, and pivotal variables on spirituality-based work ethic in the workplace were obtained at 0.40, 0.51, 0.38, 0.65, and 0.61, respectively. The p-value of < 0.01 was considered significant.
