Leadership in groups often emerges as a shared responsibility because: rarely can a single leader effectively perform all of the task and relationship roles needed. upper management usually requires that leadership be shared. a single authority figure usually creates more relationship problems than benefits. group members generally do not respect formal leaders. QUESTION 30 When an employee wants his/her work to contribute to personal and professional development: it reflects the employee's growth need strength. the likelihood that the employee will quit his/her job increases. it reflects the employee's need to become a manager. the employee is probably satisfied with his or her life outside of work. The extent to which a job involves performing a whole piece of work from beginning to end is referred to in the Job Characteristics model as: task variety. job significance. values implementation. task identity. QUESTION 28 At each meeting of a local School Board, one member insists on pushing his own concerns regardless of the scheduled purpose of the meeting. This member may be described as exhibiting: gatekeeping behavior. initiating structure. harmonizing behavior. blocking behavior