{
  "algorithmId": "CORE-016",
  "methodVersion": "0.2.0",
  "observations": {
    "unit": "people",
    "origin": "synthetic",
    "sources": [
      {
        "id": "SYN-001",
        "kind": "synthetic",
        "label": "Fictional example",
        "url": null
      }
    ],
    "target": "Record the fraction of eligible people receiving the declared civilian service",
    "potentialConfounders": [
      "Population composition and unrelated service changes are not assessed"
    ],
    "parallelTrends": {
      "status": "not-assessed",
      "reference": null,
      "note": "No pre-trend evidence is supplied; no causal inference is supported"
    },
    "differenceInDifferences": [],
    "design": {
      "baseline": {
        "status": "documented",
        "reference": "SYN-001",
        "note": "Fictional aggregate baseline"
      },
      "comparator": {
        "status": "documented",
        "reference": "SYN-001",
        "note": "Fictional comparable group"
      },
      "period": {
        "status": "documented",
        "reference": "SYN-001",
        "note": "Equal 30-day periods"
      },
      "definitions": {
        "status": "documented",
        "reference": "SYN-001",
        "note": "Same observed service definition"
      },
      "confounders": {
        "status": "unknown",
        "reference": null,
        "note": "Not assessed in this fixture"
      },
      "independentReview": {
        "status": "missing",
        "reference": null,
        "note": "No independent reviewer"
      }
    },
    "comparisons": [
      {
        "id": "SERVICE",
        "label": "Observed civilian service access",
        "measureType": "share",
        "windowType": "before-after",
        "comparability": "declared-comparable",
        "comparabilityReason": "Same fictional definition and equal period lengths",
        "baseline": {
          "numerator": 40,
          "denominator": 100,
          "unit": "people",
          "definition": "Eligible people receiving the declared service",
          "periodStart": "2027-01-01",
          "periodEnd": "2027-01-31"
        },
        "intervention": {
          "numerator": 55,
          "denominator": 100,
          "unit": "people",
          "definition": "Eligible people receiving the declared service",
          "periodStart": "2027-02-01",
          "periodEnd": "2027-03-03"
        }
      }
    ]
  },
  "parameters": {
    "rateScale": 100
  }
}