Agile methods, Success factors, Failure factors, Adoption agile in organizations.

Recently, agile methods have become more popular in the software development industry, but adopting Agile methods by software development organizations can be an easy process or a hard one depending on certain factors. So to make the process of adopting the Agile method successfully, there are some factors that can help organizations to adopt agile without fear of failure. There is not enough research in terms of adopting Agile in SMEs in particular. For this reason, we studied the factors of adopting Agile methods in small and medium software development organization to provide guidelines for success and failure factors. In this research, the use of agile methods is explored in small- and medium-scale software. Based on rigorous literature review number of models and hypotheses were developed and examined by data collected from 52 software organizations from 7 countries based on comprehensive questionnaire. As results some significant success factors were identified such as : Assigning essential features first. Frequent delivery of software, and the use of tools. In terms of failure factors, the most significant factor that can cause failure is too-large size of an organization.