INTRINSIC AND EXTRINSIC MOTIVATION

Intrinsic motivation (IM) refers to engagement in behavior that is inherently satisfying or enjoyable. IM is noninstrumental in nature, that is, intrinsically motivated action is not contingent upon any outcome separable from the behavior itself.
Rather, the means and end are one and the same. For example, a child may play outdoors – running, skipping, jumping – for no other reason than because it is fun and innately satisfying.
Conversely, Extrinsic motivation (EM) refers to performance of behavior that is fundamentally contingent upon the attainment of an outcome that is separable from the action itself. In other words, EM is instrumental in nature