Today the trend is to perform software development work via distributed geographical area among team
                                                        
                                                                                                                                                                                                                                                                                                            
                                                            individual or even as an organization. However
                                                        
                                                                                                                                                                                                                                                                                                            
                                                            due to the global market and international presence of many companies
                                                        
                                                                                                                                                                                                                                                                                                            
                                                            there is a need to implement a global virtual teams. The global virtual team members are gradually engaged in globalized business environments across space
                                                        
                                                                                                                                                                                                                                                                                                            
                                                            time and organizational boundaries via information and communication technologies. A global virtual team relies on communication
                                                        
                                                                                                                                                                                                                                                                                                            
                                                            collaboration
                                                        
                                                                                                                                                                                                                                                                                                            
                                                            and information exchange are the most important criteria in global virtual teams’ operations. The purpose of this paper is to answer two research questions. The first research question is to identify the factors affecting global virtual teams’ performance. A systematic literature review was conducted to answer the first research question. The second research question is on what the rank of the factor affecting the global virtual teams’ performance according to their level of effect on global virtual teams’ performance. Online survey was conducted within 103 developers and IT managers from eight IT companies to answer the second research question. The Statistical Package for Social Science (SPSS 22) was used to analyze the collected data. In this study
                                                        
                                                                                                                                                                                                                                                                                                            
                                                            we investigated factors that affect global virtual teams’ performance
                                                        
                                                                                                            
                                                            factors considered include cultural differences
                                                        
                                                                                                                                                                                                                                                                                                            
                                                            language problems
                                                        
                                                                                                                                                                                                                                                                                                            
                                                            time-zone differences
                                                        
                                                                                                                                                                                                                                                                                                            
                                                            team size
                                                        
                                                                                                                                                                                                                                                                                                            
                                                            technical problems
                                                        
                                                                                                                                                                                                                                                                                                            
                                                            lack of trust
                                                        
                                                                                                                                                                                                                                                                                                            
                                                            lack of sufficient training
                                                        
                                                                                                                                                                                                                                                                                                            
                                                            and ICT problems. Also the findings indicated that lack of sufficient training is the highest level of effect on global virtual teams’ performance. On the other hand
                                                        
                                                                                                                                                                                                                                                                                                            
                                                            team size is the lowest level of effect on global virtual teams’ performance. © 2005 - 2016 JATIT & LLS. All rights reserved.
                                                        
                                                                                                                                                                                         
                                                                        
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