Volunteers form an integral part of the sport industry. Recognition of the volunteers' motivations to attract them in sport programs is the aim of each organization. Although several studies have been conducted regarding volunteers in sport, there is not a clear idea about the effective motivational factors on the sport volunteers on different communities. This subject might be due to the effects of social variables on the volunteering motivations. The aim of this study was to analyze the motivational factors in university sport. The samples consist all of the 304 students who participated as volunteers in sport programs at the Iranian universities. For data collection, a structured questionnaire comprising 39 items in the form of seven dif...