Evaluating and Prioritizing the Effective Components of Attracting and Promoting the Participation of NGOs in the Process of Solid Waste Management

The purpose of this research is to evaluate and prioritize the effective components in attracting and promoting the participation of NGOs in solid waste management in Tehran. Two statistical societies, including managers of NGOs and Waste Management Department of Tehran Municipality, were studied to study and analyze the factors affecting participation in waste management and ranking the options through questionnaires and decision matrix, respectively. The questionnaire was prepared on a five-point Likert scale. Data were analyzed by SPSS 20.0 using factor analysis. The results were used as alternatives in multivariate decision making, including TOPSIS and ANP, and in the Expert selection software environment. The results of factor analysis showed that based on Kayser's criterion, five suitable components were detected that their specific value was more than 1. The first component had the highest share (21.551%), and the fifth component had the lowest percentage (10.446%) in explaining the variance of all variables. In total, the five components were able to estimate 71.56% of the variance of all variables. Based on the results of the network analysis process, the "Facilitation and Remedies of Legal Barriers" option (final weight of 232/0) has had the most significant impact on the participation of public organizations in waste management in Tehran. The distance between options with the ideal solution and the perfect solution picture showed that the First option with the least distance (0.554) had the most significant impact on the environmental, health and economic impact Implementation of the participation plan of NGOs in waste management in Tehran.