The reward source of power depends on the ability of one person to grant another some type of reward specific behavior change in behavior. The rewards may take the form of promotions, raises, expanded rewa source of powers is also the underlying principle in the process of behavior modification For example, nurses, in to day care can give a client extra praise for good compliance and for cooperating in their vision of source is the plans care. side of coercive source. The ability to withhold rewards, to threaten, to punish are examples of coercive power. Needless to say, nurse minimally use this for the reason that they are non 'therapeutic