{
  "example_kind": "synthetic editorial worksheet; not product data/import",
  "layout": "lab",
  "dataset": {
    "heading": "Inspect the synthetic example",
    "headers": [
      "Known-cohort count",
      "People"
    ],
    "rows": [
      [
        "Eligible invited people",
        "40"
      ],
      [
        "Distinct starters",
        "20"
      ],
      [
        "Distinct finishers",
        "12"
      ]
    ]
  },
  "derivation": "Invited-cohort participation = 12÷40×100 = 30%. Completion among starters = 12÷20×100 = 60%. Both use 12 finishers but answer different questions.",
  "result": "Reporting note: 30% of the known eligible invitation cohort finished; 60% of starters finished. This is descriptive cohort reporting, not a formal response-rate or representativeness claim.",
  "boundaries": [
    [
      "Observed",
      "Known invitation, start and finish counts",
      "Supports two labelled percentages."
    ],
    [
      "Unknown",
      "Views of people who did not respond",
      "Do not infer satisfaction or population coverage."
    ],
    [
      "Next check",
      "Inspect eligibility and duplicate-invitation policy",
      "Resolve the denominator before comparing campaigns."
    ]
  ],
  "sources": [
    "rates"
  ],
  "related_existing": [
    "event-questions",
    "survey-question-order"
  ],
  "calculator": {
    "mode": "ratio",
    "labels": [
      "Distinct finishers",
      "Eligible invited people"
    ],
    "values": [
      12,
      40
    ],
    "unit": "% invited-cohort participation",
    "integer": true,
    "subset": true
  },
  "published_next_steps": [
    {
      "slug": "survey-invitation",
      "title": "Survey invitation clarity survey"
    }
  ],
  "method_references": [
    {
      "id": "rates",
      "title": "AAPOR response rate resources",
      "url": "https://aapor.org/response-rates/",
      "scope": "Formal response-rate terminology requires an appropriate disposition definition."
    }
  ]
}