: Clear signals about how well one is performing. Concentration : Total focus on a limited field of awareness.

: The merging of action and awareness.

: Post-flow, the self becomes more "complex" through differentiation (feeling more capable) and integration (feeling internally unified). Key Characteristics for "Flow" to Occur

: A mental state of energized concentration and full involvement in an activity.

: The challenge of the task must match the individual's skill level. Clear Goals : Knowing exactly what needs to be done next.