{
  "title": "Compare survey waves when the respondent mix changes",
  "questions": [
    "Which invitation route brought you to this questionnaire?",
    "What recent experience are you using to answer the feedback question?",
    "Does the stated time period match that experience?",
    "Which part of this invitation differs from the one you saw previously, if any?"
  ],
  "question_notes": [
    "Use a non-identifying route description to inspect cohort composition.",
    "Check whether waves refer to comparable experience rather than merely identical wording.",
    "Find period mismatch that can change which experience is reported.",
    "Probe invitation context without requiring someone to have answered an earlier wave."
  ],
  "answer_guidance": [
    {
      "question": 1,
      "format": "Optional short open text",
      "reason": "Use a non-identifying route description to inspect cohort composition.",
      "optional": true
    },
    {
      "question": 2,
      "format": "Optional short open text",
      "reason": "Check whether waves refer to comparable experience rather than merely identical wording.",
      "optional": true
    },
    {
      "question": 3,
      "format": "Optional short open text",
      "reason": "Find period mismatch that can change which experience is reported.",
      "optional": true
    },
    {
      "question": 4,
      "format": "Optional short open text",
      "reason": "Probe invitation context without requiring someone to have answered an earlier wave.",
      "optional": true
    }
  ],
  "respondent_instruction": "If nothing was unclear or difficult, say so. Skip questions about steps you did not experience; use not applicable where appropriate.",
  "field_protocol": {
    "send_when": "Pilot with people reached through each planned invitation route before comparing successive waves.",
    "decision_owner": "The reporting reviewer owns the comparison; the recruitment owner records invitation channels and eligibility.",
    "followup": "Check whether any later overall movement is accompanied by within-channel movement and stable collection context.",
    "response_handling": "Do not request contact identifiers merely to identify a channel. Avoid publishing tiny identifiable groups; use an organization-approved aggregation rule."
  },
  "editorial_sections": [],
  "note": "Examples to adapt. Not a validated instrument; manual editorial data, not a product import payload."
}