{
  "id": "metacognition.stacked",
  "term": "metacognition",
  "sense": "stacked",
  "pos": "noun",
  "status": "review",
  "level": 15,
  "domain": "epistemic",
  "style": "window",
  "definition": "a model whose subject is another model, taking that model's window as its own parameter, so it sees drift the model under it cannot report from inside.",
  "folk_gloss": null,
  "emergence": {
    "components": [
      "model.representation",
      "self-model.reflexive",
      "subject.entity",
      "window.range",
      "parameter.condition",
      "take.acquisition",
      "see.visual",
      "drift.aimless",
      "report.information",
      "inside.spatial"
    ],
    "interaction": "A second model takes the first model's window as the quantity it tracks, so movement of that window becomes visible from one level up even though it is invisible from within.",
    "novel_properties": [
      "stacked modeling",
      "window-as-parameter tracking",
      "externally visible drift"
    ]
  },
  "examples": [
    {
      "text": "A student pauses over a practice exam and marks which answers were guesses, predicting the score before it is graded.",
      "domain": "education"
    },
    {
      "text": "A flight computer cross-checks its inertial estimate against GPS and widens its own error bounds when the two drift apart.",
      "domain": "engineering"
    },
    {
      "text": "Ensemble forecasting runs many weather models and treats their spread, not any single run, as the forecast's stated uncertainty.",
      "domain": "meteorology"
    }
  ],
  "relations": [
    {
      "id": "model.representation",
      "type": "is-a",
      "note": "a model whose subject is another model"
    },
    {
      "id": "introspection.access",
      "type": "contrasts-with",
      "note": "metacognition is a model whose subject is another model; introspection is a model reading its own pattern - a stacked model versus a reflexive read"
    }
  ],
  "used_by": [],
  "forms": [
    "metacognition",
    "metacognitive"
  ],
  "closed": true,
  "provenance": {
    "author": "claude-opus-5:curated-selfmodel",
    "date": "2026-08-22",
    "confidence": 0.8,
    "sources": [
      "curated self-model expansion"
    ]
  },
  "canonical": "https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-metacognition.stacked"
}