{
  "schemaVersion": 1,
  "study": "cold-email-proof-format-experiment",
  "title": "Proof format experiment: study protocol",
  "status": "awaiting-real-data",
  "scope": "Collection template, not a dataset or completed field study. All null values are intentionally uncollected.",
  "unitOfObservation": "prospect",
  "requiredInputs": "One substantiated proof claim available in inline and linked formats.",
  "controls": "Hold claim strength, sender and offer fixed; record tracking and link availability.",
  "primaryAnalysis": "Qualified replies and complaints; clicks are secondary and may be automated.",
  "registration": {
    "owner": null,
    "protocolVersion": "1",
    "registeredAt": null,
    "population": null,
    "eligibilityRules": null,
    "primaryOutcomeDefinition": null,
    "denominator": null,
    "observationWindow": null,
    "targetSampleAndJustification": null,
    "assignmentProcedureAndSeed": null,
    "exclusionRules": null,
    "safetyStopConditions": null,
    "missingDataPolicy": null,
    "retentionAndAccessOwner": null
  },
  "collectionRules": [
    "Assign pseudonymous IDs; do not store mailbox passwords, access tokens or unnecessary identifiers.",
    "Freeze the outcome and exclusions before collection; retain exclusions with reasons.",
    "Do not use repeated observations as independent people. Record clustering by person, company or mailbox.",
    "Do not treat a software test, simulated reply or researcher-written example as participant or campaign evidence.",
    "Record complaints and opt-outs and follow the actual suppression workflow.",
    "For interviews obtain permission before recording and respect withdrawal.",
    "Publish aggregate or redacted evidence only after review; keep original private records outside the public website."
  ],
  "fieldDictionary": {
    "assignment_id": {
      "required": true,
      "type": "string, number or boolean as specified by the registered protocol; null until collected",
      "meaning": "assignment id",
      "missingValue": null
    },
    "company_id": {
      "required": true,
      "type": "string, number or boolean as specified by the registered protocol; null until collected",
      "meaning": "company id",
      "missingValue": null
    },
    "arm": {
      "required": true,
      "type": "string, number or boolean as specified by the registered protocol; null until collected",
      "meaning": "arm",
      "missingValue": null
    },
    "proof_claim": {
      "required": true,
      "type": "string, number or boolean as specified by the registered protocol; null until collected",
      "meaning": "proof claim",
      "missingValue": null
    },
    "proof_source": {
      "required": true,
      "type": "string, number or boolean as specified by the registered protocol; null until collected",
      "meaning": "proof source",
      "missingValue": null
    },
    "proof_format": {
      "required": true,
      "type": "string, number or boolean as specified by the registered protocol; null until collected",
      "meaning": "proof format",
      "missingValue": null
    },
    "destination_checked": {
      "required": true,
      "type": "string, number or boolean as specified by the registered protocol; null until collected",
      "meaning": "destination checked",
      "missingValue": null
    },
    "qualified_reply": {
      "required": true,
      "type": "string, number or boolean as specified by the registered protocol; null until collected",
      "meaning": "qualified reply",
      "missingValue": null
    },
    "complaint": {
      "required": true,
      "type": "string, number or boolean as specified by the registered protocol; null until collected",
      "meaning": "complaint",
      "missingValue": null
    }
  },
  "blankRecord": {
    "observation_id": null,
    "assignment_id": null,
    "company_id": null,
    "arm": null,
    "proof_claim": null,
    "proof_source": null,
    "proof_format": null,
    "destination_checked": null,
    "qualified_reply": null,
    "complaint": null,
    "excluded": false,
    "exclusion_reason": null,
    "protocol_deviation": null
  },
  "records": [],
  "analysisStatus": "not-run",
  "results": null,
  "interpretationLimits": "Changing the proof strength as well as its format creates a confound. Neither format guarantees inbox placement. Publish results only after the evidence, method and limitations have been reviewed. This protocol provides no benchmark, expected lift or completed-study claim.",
  "procedure": [
    "Use the same substantiated proof claim in both formats. Record destination availability and whether tracking is enabled.",
    "Randomize format while holding claim, sender and offer fixed. Confirm mobile readability and destination access before release.",
    "Before collection, write the primary outcome, observation window, exclusion rules and stopping conditions. Preserve excluded observations with a reason rather than quietly removing them.",
    "Pilot the procedure with fictional or owned test data, resolve ambiguous fields, and freeze a dated protocol version before the main run."
  ],
  "interviewPrompts": []
}