The reinforcement that controls the expression of learned behaviour may be (1) direct-tangible reward! social approval or disapproval, or alleviation of aversive conditions; (2) vicarious-observation of someone else receiving reward or punishment for similar behaviour; or (3) self-administered-evaluation of one’ own performance with self-praise or reproach, self-administered reinforcement plays an important ok in social learning theory, and efforts have been devoted to discovering the conditions that facilitate regulation of behaviour through self-reward and self-punishment.