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Learner States (Vertices) :: Represent child's current or potential level of knowledge and skill in a specific domain.
Activities (Edges) that move the learner from one state to another, categorized as:
Listen:: The child listens to a story or explanation.
Imitate:: The child repeats phrases or mimics patterns.
Narrate:: The child retells stories or creates new ones.
Test:: The child answers questions or solves problems.
Feedback:: The NP provides corrective or reinforcing feedback.