An Importance–Performance analysis of urban regeneration indicators with emphasis on environmental components (Case Study: District 11 of Tehran Metropolis)

Document Type : Original Research Articles

Author

Assistant Professor in Geography and Urban Planning, Tarbiat Modares University, Tehran, Iran

Abstract

The main objective of this research is to analyze the importance and performance of urban regeneration indicators with an emphasis on environmental components in District 11 of the Tehran metropolis. This study is descriptive-analytical in nature and serves an applied purpose. Data collection was conducted via field surveys and library research. The statistical population of this study consists of the residents of District 11, which, according to the census, has a population of 308,176 people. Using Cochran's formula, the sample size was estimated to be 384 people, who were chosen at random from the area. The validity of the questionnaire was confirmed by 15 experts in urban fields (urban planners and urban designers), and the reliability was approved with a Cronbach’s alpha coefficient of 0.737. The collected data were analyzed quantitatively using SPSS and Excel software. To determine the overall status of urban regeneration indicators with emphasis on environmental components, a one-sample t-test was used. To assess the importance–performance level of the indicators, the Importance–Performance Analysis (IPA) technique was applied. Finally, after prioritizing the indicators based on the IPA model, the internal relationships between the indicators were examined using the DEMATEL multi-criteria decision-making model in order to identify the interdependencies among them. The findings of this study indicate that, based on the results of the one-sample t-test, the indicators related to water hygiene and adequate access to water, as well as waste management and its efficient collection, are in a relatively more favorable condition compared to other indicators. Furthermore, the analysis using the Importance–Performance Analysis model revealed that indicators such as reducing environmental pollutants, combatting noise pollution and improving living conditions and comfort, energy efficiency and use of renewable energy, and effective protection and management of green spaces and trees should be prioritized in policymaking and management actions due to their high importance but low performance. In addition, the results of the DEMATEL model demonstrated that the indicator reduction of environmental pollutants plays the most significant role as both the most influential and the most influenced factor among the indicators studied. Given its extensive impact and strong interconnection with other environmental components, this indicator should be considered a central focus in urban regeneration planning and policymaking in District 11.

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References

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Geography and Regional Future Studies
Volume 3, Issue 4 - Serial Number 12
Winter
December 2026
Pages 1-19

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