A Meta-Analysis of Researches Conducted on the Quality of Urban Life in Informal Settlements in Iran

Problem statement: 

despite conducting some researches on the quality of urban life during more than two decades, this concept is still explained with the concepts of urban livability and urban vitality in the same meaning, and their different aspects are ignored. The quality of urban life has become one of the interesting topics for the researchers in the urban planning, and they have focused on the quality of urban life in the planned settlements, while, today, especially in the cities of developing countries, at least one third of the metropolitan population consists of the residents of informal settlements. The aim of this research is to investigate and extract the analysis indicators of the scientific texts in the field of informal settlements and to present an analytical model including the dimensions and components of the life quality in informal settlements.

This is basic research and by using the meta-analysis method, the samples (12 valid scientific-research articles and 6 master thesis) conducted in the last decade in relation to the quality of urban life in Informal settlements were studied. The present research is classified as an applied-developmental research based on its aim to determine the desirable patterns in the field of quality of urban life in informal settlements.

considering the findings of the current research, it can be said that as the reliability tests in more than 80% of the studies shows, we can Definity comment on the quality of the studies and their effect size. The geographical distribution of the researches conducted in the provinces of the country shows that the case studies conducted in Tehran province have the highest frequencies. The data collection methods considering the nature and methods of the research indicate that about 11% of the researches collected the required data through the survey and field methods.

The theories referring to the quality of urban life are classified into three main approaches: human approach, the spatial approach, and the sustainability approach. The main effective indicators improving the quality of urban life in informal settlements are economic index (with 9 variables)