# Mastery states taxonomy — TRACE v1
# Where a skill sits in its learning trajectory.
# Citation: Cooper, Heron, Heward (2020), Ch. 26, Ch. 28.

states:
  - id: emerging
    name: Emerging
    short: emerging
    accuracy_range: [0.00, 0.30]
    description: "Skill not yet acquired; high prompt levels needed."
    prompt_level_guidance: "Begin at higher prompt levels (full physical / partial physical)."

  - id: developing
    name: Developing
    short: developing
    accuracy_range: [0.30, 0.50]
    description: "Responding established; stimulus control unstable."
    prompt_level_guidance: "Partial physical or modeling prompt with systematic fading."

  - id: approaching
    name: Approaching mastery
    short: approaching mastery
    accuracy_range: [0.50, 0.70]
    description: "Moving toward independence; prompt fading in progress."
    prompt_level_guidance: "Gestural or positional prompts; plan fade to independence."

  - id: near
    name: Near mastery
    short: near mastery
    accuracy_range: [0.70, 0.85]
    description: "Stimulus control solid; occasional errors on complex stimuli."
    prompt_level_guidance: "Minimal prompts; increase expectations for independence."

  - id: mastered
    name: Mastered at current level
    short: mastered
    accuracy_range: [0.85, 1.00]
    description: "Meets mastery criterion for current step."
    prompt_level_guidance: "Independent responding; move to generalization."

  - id: generalization
    name: Generalization phase
    short: generalization
    accuracy_range: [0.85, 1.00]
    description: "Mastered in training; extending to novel settings / materials / therapists."
    prompt_level_guidance: "NET-style opportunities; multiple exemplar probing."