Because of the lack of research studies associated with situational leadership, there are questions concerning its theoretical basis. Which statement best reflects this concern? a. Fewer studies means that fewer followers can rate and assess leader behaviors, making it likely that some leader behaviors are missing b. Ambiguous conceptualization of competence and commitment make it difficult to truly assess and understand follower development levels. c. The SLII model fails to depict a universal theory of leadership behaviors that leaders can use to become more effective leaders. d. The lack of research studies makes it more difficult to apply and use the SLII model to train people to become effective leaders