“…The latter, by contrast, enjoys a low level of influence and is treated with close surveillance and greater control. Indeed, ample research indicates that supervisors do not treat subordinates equally (e.g., Barrow, 1976;Podsakoff & Schriesheim , 1985;Schriesheim & Murphy, 1976). Leaders are more cooperative , considerate, and tolerant with high ability subordinates, whereas with poorly performing sub-ordinates, they prefer close surveillance and provide more directions.…”