“…As one of the most important functions of leadership is to motivate people, and lack of motivation may cause process loss and ineffectiveness of teams (Kerr and Bruun, 1983), studies examining the motivational effects of dual-level TFL are needed. However, after reviewing the literature, we find that discussions of the detailed motivational mechanism of dual effects of TFL are quite preliminary (Akinlade, 2014;Pourbarkhordari et al, 2016;Bormann and Diebig, 2020). Wang and Howell (2012) and Tung (2019) demonstrated that group-focused and individualfocused TFL could influence team and individual performance through arousing team member's group identification and leader identification, respectively.…”