Thomas proposed that what two personality dimensions can represent the levels of concern underlying the five conflict management styles?
A. the degree of assertiveness and the degree of competitiveness
B. the degree of aggressiveness and the degree of competitiveness
C. the degree of aggressiveness and the degree of cooperativeness
D. the degree of assertiveness and the degree of cooperativeness
E. None of the above state Thomas' two personality dimensions.
Answer: D