I would say exercise autonomy. As autonomy is strong evidence-based inner motivator. Also competence - still increasing their skills. More about self-determinat

I would say exercise autonomy. As autonomy is strong evidence-based inner motivator. Also competence - still increasing their skills. More about self-determination theory: https://en.wikipedia.org/wiki/Self-determination_theory https://en.wikipedia.org/wiki/Self-determination_theory