Behaviours performed for the sense of personal satisfaction they bring are:

1. The reward's source decides which label applies. 2. Intrinsically motivated behaviors are performed because of the sense of personal satisfaction they bring. 3. Extrinsically motivated behaviors are performed in order to receive something from others. 4. So satisfaction from within marks intrinsic motivation. _Source: OpenStax Psychology 2e (CC BY 4.0), Ch 10 'Emotion and Motivation', sections 10.1-10.4_