The role of manager expectations in terms of their effectiveness with knowledge workers is best described in the following way: Manager expectations are most associated with their readiness to advance to executive level leadership. In the eyes of some experts on leadership, it is correlated with aspirational behavior that separates managers from executive level leaders. Manager expectations influence the way they think about staff and will thus how they interact with staff. Generally speaking, having positive expectations for staff is desireable as it empowers staff to do the right thing and be successful. Manager expectations are highly correlated to how happy a manager is with their job; however, while managers with higher expectations are happier, this does not always equate to better performance. - Manager expectations influence the way they think about staff and will thus how they interact with staff. Generally speaking, having positive expectations for staff is dangerous as staff will inevitably fall short at times when this happens the manager will be more dissapointed than if their expectations had been reasonable and may be more likely to respond in a bad way.