Select all that apply Which of the following assumptions were made by Vroom and Yetton in developing the leadership model of decision making? Multiple select question. Social processes have little or no impact on the amount of participation by subordinates in problem solving. The style of leadership employed in one instance should not limit the leadership styles employed in other instances. The primary focus should be the long-term goal of the organization rather than the problem at hand. No single leadership style can be applied to all circumstances