Jan and Marsha were the co-captains of their high school’s small environmental action club, and now that they are at college, they have joined a large club with a similar mission. However, Danni has noticed that Michelle’s behavior changed once they joined up with a larger group of students. Once a passionate and tireless worker, Michelle now seems content to sit back and let others do the work. Which of the following terms seems to describe the change in Michelle’s behavior?