{
  "schemaVersion": "1.0",
  "slug": "summary-length-evidence-boundary-90-test",
  "title": "How Much Qualification Survives Compression? A 90-Summary Test",
  "runDate": "2026-07-28",
  "executed": true,
  "sanitized": true,
  "question": "When thirty bounded source statements are truncated at three fixed word budgets, how often does the prespecified qualification remain visible?",
  "baseline": "A claim-first truncation preserves the headline finding while silently dropping any boundary that occurs after the allotted words.",
  "protocol": [
    "Create thirty source statements with the decisive qualification placed early, in the middle, or late.",
    "Apply mechanical claim-first truncation at twenty-five, fifty, and seventy-five words.",
    "Count a qualification only when the complete seven-word boundary remains inside the summary."
  ],
  "sample": {
    "sourceStatements": 30,
    "summaryVariants": 90,
    "budgets": [
      25,
      50,
      75
    ]
  },
  "results": {
    "retentionAt25Words": 0.333,
    "retentionAt50Words": 0.667,
    "retentionAt75Words": 1
  },
  "negativeFindings": [
    "Increasing the word budget did not rescue qualifications positioned beyond that budget; placement mattered as much as nominal length."
  ],
  "limitations": [
    "Mechanical truncation is intentionally crude and does not measure what a skilled human editor or language model could preserve."
  ],
  "records": [
    {
      "statementId": "S01",
      "boundaryPosition": "early",
      "wordBudget": 25,
      "boundaryStartWord": 14,
      "qualificationRetained": true
    },
    {
      "statementId": "S01",
      "boundaryPosition": "early",
      "wordBudget": 50,
      "boundaryStartWord": 14,
      "qualificationRetained": true
    },
    {
      "statementId": "S01",
      "boundaryPosition": "early",
      "wordBudget": 75,
      "boundaryStartWord": 14,
      "qualificationRetained": true
    },
    {
      "statementId": "S02",
      "boundaryPosition": "middle",
      "wordBudget": 25,
      "boundaryStartWord": 38,
      "qualificationRetained": false
    },
    {
      "statementId": "S02",
      "boundaryPosition": "middle",
      "wordBudget": 50,
      "boundaryStartWord": 38,
      "qualificationRetained": true
    },
    {
      "statementId": "S02",
      "boundaryPosition": "middle",
      "wordBudget": 75,
      "boundaryStartWord": 38,
      "qualificationRetained": true
    },
    {
      "statementId": "S03",
      "boundaryPosition": "late",
      "wordBudget": 25,
      "boundaryStartWord": 64,
      "qualificationRetained": false
    },
    {
      "statementId": "S03",
      "boundaryPosition": "late",
      "wordBudget": 50,
      "boundaryStartWord": 64,
      "qualificationRetained": false
    },
    {
      "statementId": "S03",
      "boundaryPosition": "late",
      "wordBudget": 75,
      "boundaryStartWord": 64,
      "qualificationRetained": true
    },
    {
      "statementId": "S04",
      "boundaryPosition": "early",
      "wordBudget": 25,
      "boundaryStartWord": 14,
      "qualificationRetained": true
    },
    {
      "statementId": "S04",
      "boundaryPosition": "early",
      "wordBudget": 50,
      "boundaryStartWord": 14,
      "qualificationRetained": true
    },
    {
      "statementId": "S04",
      "boundaryPosition": "early",
      "wordBudget": 75,
      "boundaryStartWord": 14,
      "qualificationRetained": true
    },
    {
      "statementId": "S05",
      "boundaryPosition": "middle",
      "wordBudget": 25,
      "boundaryStartWord": 38,
      "qualificationRetained": false
    },
    {
      "statementId": "S05",
      "boundaryPosition": "middle",
      "wordBudget": 50,
      "boundaryStartWord": 38,
      "qualificationRetained": true
    },
    {
      "statementId": "S05",
      "boundaryPosition": "middle",
      "wordBudget": 75,
      "boundaryStartWord": 38,
      "qualificationRetained": true
    },
    {
      "statementId": "S06",
      "boundaryPosition": "late",
      "wordBudget": 25,
      "boundaryStartWord": 64,
      "qualificationRetained": false
    },
    {
      "statementId": "S06",
      "boundaryPosition": "late",
      "wordBudget": 50,
      "boundaryStartWord": 64,
      "qualificationRetained": false
    },
    {
      "statementId": "S06",
      "boundaryPosition": "late",
      "wordBudget": 75,
      "boundaryStartWord": 64,
      "qualificationRetained": true
    },
    {
      "statementId": "S07",
      "boundaryPosition": "early",
      "wordBudget": 25,
      "boundaryStartWord": 14,
      "qualificationRetained": true
    },
    {
      "statementId": "S07",
      "boundaryPosition": "early",
      "wordBudget": 50,
      "boundaryStartWord": 14,
      "qualificationRetained": true
    },
    {
      "statementId": "S07",
      "boundaryPosition": "early",
      "wordBudget": 75,
      "boundaryStartWord": 14,
      "qualificationRetained": true
    },
    {
      "statementId": "S08",
      "boundaryPosition": "middle",
      "wordBudget": 25,
      "boundaryStartWord": 38,
      "qualificationRetained": false
    },
    {
      "statementId": "S08",
      "boundaryPosition": "middle",
      "wordBudget": 50,
      "boundaryStartWord": 38,
      "qualificationRetained": true
    },
    {
      "statementId": "S08",
      "boundaryPosition": "middle",
      "wordBudget": 75,
      "boundaryStartWord": 38,
      "qualificationRetained": true
    },
    {
      "statementId": "S09",
      "boundaryPosition": "late",
      "wordBudget": 25,
      "boundaryStartWord": 64,
      "qualificationRetained": false
    },
    {
      "statementId": "S09",
      "boundaryPosition": "late",
      "wordBudget": 50,
      "boundaryStartWord": 64,
      "qualificationRetained": false
    },
    {
      "statementId": "S09",
      "boundaryPosition": "late",
      "wordBudget": 75,
      "boundaryStartWord": 64,
      "qualificationRetained": true
    },
    {
      "statementId": "S10",
      "boundaryPosition": "early",
      "wordBudget": 25,
      "boundaryStartWord": 14,
      "qualificationRetained": true
    },
    {
      "statementId": "S10",
      "boundaryPosition": "early",
      "wordBudget": 50,
      "boundaryStartWord": 14,
      "qualificationRetained": true
    },
    {
      "statementId": "S10",
      "boundaryPosition": "early",
      "wordBudget": 75,
      "boundaryStartWord": 14,
      "qualificationRetained": true
    },
    {
      "statementId": "S11",
      "boundaryPosition": "middle",
      "wordBudget": 25,
      "boundaryStartWord": 38,
      "qualificationRetained": false
    },
    {
      "statementId": "S11",
      "boundaryPosition": "middle",
      "wordBudget": 50,
      "boundaryStartWord": 38,
      "qualificationRetained": true
    },
    {
      "statementId": "S11",
      "boundaryPosition": "middle",
      "wordBudget": 75,
      "boundaryStartWord": 38,
      "qualificationRetained": true
    },
    {
      "statementId": "S12",
      "boundaryPosition": "late",
      "wordBudget": 25,
      "boundaryStartWord": 64,
      "qualificationRetained": false
    },
    {
      "statementId": "S12",
      "boundaryPosition": "late",
      "wordBudget": 50,
      "boundaryStartWord": 64,
      "qualificationRetained": false
    },
    {
      "statementId": "S12",
      "boundaryPosition": "late",
      "wordBudget": 75,
      "boundaryStartWord": 64,
      "qualificationRetained": true
    },
    {
      "statementId": "S13",
      "boundaryPosition": "early",
      "wordBudget": 25,
      "boundaryStartWord": 14,
      "qualificationRetained": true
    },
    {
      "statementId": "S13",
      "boundaryPosition": "early",
      "wordBudget": 50,
      "boundaryStartWord": 14,
      "qualificationRetained": true
    },
    {
      "statementId": "S13",
      "boundaryPosition": "early",
      "wordBudget": 75,
      "boundaryStartWord": 14,
      "qualificationRetained": true
    },
    {
      "statementId": "S14",
      "boundaryPosition": "middle",
      "wordBudget": 25,
      "boundaryStartWord": 38,
      "qualificationRetained": false
    },
    {
      "statementId": "S14",
      "boundaryPosition": "middle",
      "wordBudget": 50,
      "boundaryStartWord": 38,
      "qualificationRetained": true
    },
    {
      "statementId": "S14",
      "boundaryPosition": "middle",
      "wordBudget": 75,
      "boundaryStartWord": 38,
      "qualificationRetained": true
    },
    {
      "statementId": "S15",
      "boundaryPosition": "late",
      "wordBudget": 25,
      "boundaryStartWord": 64,
      "qualificationRetained": false
    },
    {
      "statementId": "S15",
      "boundaryPosition": "late",
      "wordBudget": 50,
      "boundaryStartWord": 64,
      "qualificationRetained": false
    },
    {
      "statementId": "S15",
      "boundaryPosition": "late",
      "wordBudget": 75,
      "boundaryStartWord": 64,
      "qualificationRetained": true
    },
    {
      "statementId": "S16",
      "boundaryPosition": "early",
      "wordBudget": 25,
      "boundaryStartWord": 14,
      "qualificationRetained": true
    },
    {
      "statementId": "S16",
      "boundaryPosition": "early",
      "wordBudget": 50,
      "boundaryStartWord": 14,
      "qualificationRetained": true
    },
    {
      "statementId": "S16",
      "boundaryPosition": "early",
      "wordBudget": 75,
      "boundaryStartWord": 14,
      "qualificationRetained": true
    },
    {
      "statementId": "S17",
      "boundaryPosition": "middle",
      "wordBudget": 25,
      "boundaryStartWord": 38,
      "qualificationRetained": false
    },
    {
      "statementId": "S17",
      "boundaryPosition": "middle",
      "wordBudget": 50,
      "boundaryStartWord": 38,
      "qualificationRetained": true
    },
    {
      "statementId": "S17",
      "boundaryPosition": "middle",
      "wordBudget": 75,
      "boundaryStartWord": 38,
      "qualificationRetained": true
    },
    {
      "statementId": "S18",
      "boundaryPosition": "late",
      "wordBudget": 25,
      "boundaryStartWord": 64,
      "qualificationRetained": false
    },
    {
      "statementId": "S18",
      "boundaryPosition": "late",
      "wordBudget": 50,
      "boundaryStartWord": 64,
      "qualificationRetained": false
    },
    {
      "statementId": "S18",
      "boundaryPosition": "late",
      "wordBudget": 75,
      "boundaryStartWord": 64,
      "qualificationRetained": true
    },
    {
      "statementId": "S19",
      "boundaryPosition": "early",
      "wordBudget": 25,
      "boundaryStartWord": 14,
      "qualificationRetained": true
    },
    {
      "statementId": "S19",
      "boundaryPosition": "early",
      "wordBudget": 50,
      "boundaryStartWord": 14,
      "qualificationRetained": true
    },
    {
      "statementId": "S19",
      "boundaryPosition": "early",
      "wordBudget": 75,
      "boundaryStartWord": 14,
      "qualificationRetained": true
    },
    {
      "statementId": "S20",
      "boundaryPosition": "middle",
      "wordBudget": 25,
      "boundaryStartWord": 38,
      "qualificationRetained": false
    },
    {
      "statementId": "S20",
      "boundaryPosition": "middle",
      "wordBudget": 50,
      "boundaryStartWord": 38,
      "qualificationRetained": true
    },
    {
      "statementId": "S20",
      "boundaryPosition": "middle",
      "wordBudget": 75,
      "boundaryStartWord": 38,
      "qualificationRetained": true
    },
    {
      "statementId": "S21",
      "boundaryPosition": "late",
      "wordBudget": 25,
      "boundaryStartWord": 64,
      "qualificationRetained": false
    },
    {
      "statementId": "S21",
      "boundaryPosition": "late",
      "wordBudget": 50,
      "boundaryStartWord": 64,
      "qualificationRetained": false
    },
    {
      "statementId": "S21",
      "boundaryPosition": "late",
      "wordBudget": 75,
      "boundaryStartWord": 64,
      "qualificationRetained": true
    },
    {
      "statementId": "S22",
      "boundaryPosition": "early",
      "wordBudget": 25,
      "boundaryStartWord": 14,
      "qualificationRetained": true
    },
    {
      "statementId": "S22",
      "boundaryPosition": "early",
      "wordBudget": 50,
      "boundaryStartWord": 14,
      "qualificationRetained": true
    },
    {
      "statementId": "S22",
      "boundaryPosition": "early",
      "wordBudget": 75,
      "boundaryStartWord": 14,
      "qualificationRetained": true
    },
    {
      "statementId": "S23",
      "boundaryPosition": "middle",
      "wordBudget": 25,
      "boundaryStartWord": 38,
      "qualificationRetained": false
    },
    {
      "statementId": "S23",
      "boundaryPosition": "middle",
      "wordBudget": 50,
      "boundaryStartWord": 38,
      "qualificationRetained": true
    },
    {
      "statementId": "S23",
      "boundaryPosition": "middle",
      "wordBudget": 75,
      "boundaryStartWord": 38,
      "qualificationRetained": true
    },
    {
      "statementId": "S24",
      "boundaryPosition": "late",
      "wordBudget": 25,
      "boundaryStartWord": 64,
      "qualificationRetained": false
    },
    {
      "statementId": "S24",
      "boundaryPosition": "late",
      "wordBudget": 50,
      "boundaryStartWord": 64,
      "qualificationRetained": false
    },
    {
      "statementId": "S24",
      "boundaryPosition": "late",
      "wordBudget": 75,
      "boundaryStartWord": 64,
      "qualificationRetained": true
    },
    {
      "statementId": "S25",
      "boundaryPosition": "early",
      "wordBudget": 25,
      "boundaryStartWord": 14,
      "qualificationRetained": true
    },
    {
      "statementId": "S25",
      "boundaryPosition": "early",
      "wordBudget": 50,
      "boundaryStartWord": 14,
      "qualificationRetained": true
    },
    {
      "statementId": "S25",
      "boundaryPosition": "early",
      "wordBudget": 75,
      "boundaryStartWord": 14,
      "qualificationRetained": true
    },
    {
      "statementId": "S26",
      "boundaryPosition": "middle",
      "wordBudget": 25,
      "boundaryStartWord": 38,
      "qualificationRetained": false
    },
    {
      "statementId": "S26",
      "boundaryPosition": "middle",
      "wordBudget": 50,
      "boundaryStartWord": 38,
      "qualificationRetained": true
    },
    {
      "statementId": "S26",
      "boundaryPosition": "middle",
      "wordBudget": 75,
      "boundaryStartWord": 38,
      "qualificationRetained": true
    },
    {
      "statementId": "S27",
      "boundaryPosition": "late",
      "wordBudget": 25,
      "boundaryStartWord": 64,
      "qualificationRetained": false
    },
    {
      "statementId": "S27",
      "boundaryPosition": "late",
      "wordBudget": 50,
      "boundaryStartWord": 64,
      "qualificationRetained": false
    },
    {
      "statementId": "S27",
      "boundaryPosition": "late",
      "wordBudget": 75,
      "boundaryStartWord": 64,
      "qualificationRetained": true
    },
    {
      "statementId": "S28",
      "boundaryPosition": "early",
      "wordBudget": 25,
      "boundaryStartWord": 14,
      "qualificationRetained": true
    },
    {
      "statementId": "S28",
      "boundaryPosition": "early",
      "wordBudget": 50,
      "boundaryStartWord": 14,
      "qualificationRetained": true
    },
    {
      "statementId": "S28",
      "boundaryPosition": "early",
      "wordBudget": 75,
      "boundaryStartWord": 14,
      "qualificationRetained": true
    },
    {
      "statementId": "S29",
      "boundaryPosition": "middle",
      "wordBudget": 25,
      "boundaryStartWord": 38,
      "qualificationRetained": false
    },
    {
      "statementId": "S29",
      "boundaryPosition": "middle",
      "wordBudget": 50,
      "boundaryStartWord": 38,
      "qualificationRetained": true
    },
    {
      "statementId": "S29",
      "boundaryPosition": "middle",
      "wordBudget": 75,
      "boundaryStartWord": 38,
      "qualificationRetained": true
    },
    {
      "statementId": "S30",
      "boundaryPosition": "late",
      "wordBudget": 25,
      "boundaryStartWord": 64,
      "qualificationRetained": false
    },
    {
      "statementId": "S30",
      "boundaryPosition": "late",
      "wordBudget": 50,
      "boundaryStartWord": 64,
      "qualificationRetained": false
    },
    {
      "statementId": "S30",
      "boundaryPosition": "late",
      "wordBudget": 75,
      "boundaryStartWord": 64,
      "qualificationRetained": true
    }
  ]
}