In the 1950s,Ralph Stogdill and His Ohio State University Colleagues

In the 1950s,Ralph Stogdill and his Ohio State University colleagues and Rensis Likert and his team at the University of Michigan's Survey Research Center identified what two dimensions of leadership style?

A) concern for task results and concern for people
B) concern for self and concern for others
C) interpersonal skills and intrapersonal skills
D) social intelligence and general intelligence