Identify the conclusions of research studies summarized by Ralph Stogdill that looked at whether certain personality traits, physical attributes, intelligence, or personal values differentiated leaders from followers. (Check all that apply Some characteristics, such as intelligence, initiative, stress tolerance, responsibility, and dominance, were modestly related to leadership success. Leaders were not qualitatively different from followers; many followers were just as tall, smart, outgoing, and ambitious as the people who were leading them. Lazy or grumpy leaders were successful at influencing a group to accomplish its goals, unlike hardworking, friendly, or conscientious leaders. People who were friendly or willing to take charge were often less successful at building teams than people who were impulsive or not fond of giving orders