What is true about contingency leadership theory and leadership trait theory? O a. Contingency leadership theory focuses on situations, whereas leadership trait theory focuses on the effectiveness of leaders. O b. Contingency leadership theory focuses on the effectiveness of leadership, and leadership trait theory explains the styles of effective leaders. . Leadership trait theory looks at situations and leadership style, whereas contingency leadership investigates how organizational change impacts individuals. O d. Both contingency leadership and leadership trait theories focus on the traits of leaders and organizational change over time