“…The authors concluded that that similarity attraction and categorization perspectives acquired more support than information and decision-making perspectives did in the case of racial diversity. Numerous studies showed that racial similarity is related to interpersonal liking, increased communication, less emotional conflict and turnover (Chatman et al, 1998;Chattopadhyay, 1999;Ensher and Murphy, 1997;Gothelp and Glunk, 2003;O'Reilly et al, 1989;Pfeffer and O'Reilly, 1987;Riordan & Shore, 1997;Sørensen, 2004;Tsui et al, 1992). Recent reviews Webber and Donahue, 2001) also showed that racial diversity had either negative or no effect on performance.…”