Grounded Theory approach

According to social changes in global level, social scientist introduced new theories to explanation of social phenomena. According to appearance new theories, research methods have changed. The Idea is that, Simultaneity with Appearance post positivist theories, research approaches such a grounded theory has established. This method, acts in the base of qualitative methods and use systematic complex of multiple Procedures to gathering data for theory development upon induction. This method with characteristics as if flexibility, reflexivity, has caused many of researchers used it. In the present article, we paid to introduction of grounded theory and its critics.