The main problem of this study is what is the effect of the lecturer's perception on the practice of orientation
multidimensional leadership by the head of the academic department on the effectiveness of leadership
the head of the academic department in carrying out his role as well as the impact on commitment
lecturer work. Specifically, the objective of this study is to determine whether lecturers' perception of the effectiveness of the leadership of the head of the academic department in performing their role affects the relationship between leadership orientations multidimensional department head with lecturer commitment.
 

(Source: Othman, Mujir, & Ibrahim (2012). 

The Influence of Perception on Effectiveness Leadership on the Multidimensional Leadership Orientation of Academic Leaders and Commitment Lecturer. Journal of Management, 34, 137-150.)

Based on the above information, Answer ALL the questions below:

(a). Explain the objective of the study for the study excerpt?
(b). Explain the research question for the research excerpt ?