Provide a model of random buying behavior tailored to internaland external factors and characteristics of customers using the Grounded theory method (Case study: Khorramabad Welfare chain store)

The aim of this study is to provide a model of customers' random shopping behavior in accordance with their internal and external characteristics in the Khorramabad Welfare chain store. The peresent study is applied in terms of purpose and descriptive- correlational in terms of data collection method and is of the exploratory redearch type. The statistical community of the research in the first stage qualitatively includes 30 experts familiar with the subject and in the quantitative stage also includes the customers of the Khorramabad Wefare chain store. Then, 100 codes were extracted using the GT method, , which consists of 20 basic themes and 5 organizing themes. Effective element analysis was performed using SPSS(22) software. After achieving the model, in the second stage study, a researcher- made questionnaire was used. In general, the research Result show; individual factors, psychological factors, environmental characteristics and socio- cultural factors have been identified as factors that affecting customers' random shopping behavior.