This study aims to investigate how the leader and subordinates' gender composition affects quality of LMX. The researcher also attempts to investigate the antecedents of organizational citizenship behavior (OCB), Leader-Member Exchange (LMX) and Team-Member Exchange (TMX) in particular, and whether they relate to each other in order to meet the demand by Graen and Uhl-Bien (1995) of examining the impact of dyadic LMX relationships within a larger system of workgroup. The survey instrument consists of LMX7(Graen & Uhl-Bien, 1995), 10-item TMX (Seers et al. , 1995) and 21-item OCB (Organ,...