Studies conflict as to whether external rewards inhibit internal incentive, and whether they should be used for motivation.

About six months ago, Sarah* went to a friend's house for a dinner party. The next thing she knew, she was waking up, bleary-eyed in her own apartment. "I was home, and the bike I went to dinner with ...

Extrinsic motivation is motivation that come from outside oneself. Examples include doing something for financial gain, promotion, praise or approval, or to win a competition. Depending on the ...