{
  "analysis": "Executed descriptive secondary-data feasibility audit, not a trial result",
  "verifiedAt": "2026-10-15",
  "dataset": "ATUS 2025 single-year respondent/activity files, released June 25 2026",
  "respondent_zip_sha256": "77566d2864f1b96412a46ceeee9ea53709bc191b092f3573af04c17b2d409873",
  "activity_zip_sha256": "664314e9f0c7373534f10bb1450a1dfc2b50d04c7932ecfea090ff4a1c65bca3",
  "respondent_dat_sha256": "63408d2c901758f7a840ec6b4fe3082f0b4cc85f5a6ae74196a9e927eeebaf4d",
  "activity_dat_sha256": "04e7a49a50a1bdb12cb3b64d047691724084ddf41a384df9c5204be225b674a4",
  "respondent_rows": 6146,
  "activity_rows": 114151,
  "unique_respondents": 6146,
  "unique_episode_keys": 114151,
  "all_diaries_close_to_1440_minutes": true,
  "orphan_episode_count": 0,
  "respondents_without_activity": 0,
  "teacher_definition": {
    "TELFS": [
      "1",
      "2"
    ],
    "TEIO1OCD": [
      "2310",
      "2320",
      "2330"
    ],
    "occupation_system": "2018 Census occupation classification"
  },
  "selected_occupation_counts": {
    "2310": 85,
    "2320": 24,
    "2330": 11
  },
  "selected_teachers_all_days": {
    "n": 120,
    "n_with_main_job_work": 62,
    "weighted_main_job_minutes_per_diary_day": 294.9184812718673,
    "weighted_minutes_on_days_with_main_job_work": 437.58332743665943
  },
  "selected_teachers_weekdays": {
    "n": 53,
    "n_with_main_job_work": 45,
    "weighted_main_job_minutes_per_diary_day": 415.99958616837466,
    "weighted_minutes_on_days_with_main_job_work": 479.9628218268691
  },
  "selected_teachers_weekends": {
    "n": 67,
    "estimates_suppressed": true,
    "n_with_main_job_work": 17,
    "reason": "Weekend domain retained for sample accounting only; no weekend estimate or precision claim is made"
  },
  "diary_month_counts": {
    "1": 605,
    "2": 589,
    "3": 688,
    "4": 578,
    "5": 503,
    "6": 545,
    "7": 489,
    "8": 560,
    "9": 656,
    "11": 443,
    "12": 490
  },
  "diaries_in_shutdown_gap": 0,
  "limits": [
    "No replicate-weight standard errors or inferential comparisons calculated. Descriptive means are not official BLS published estimates.",
    "One diary per respondent; 050101 cannot separate teaching, AI drafting, verification, contract hours, unpaid after-hours work or protected planning.",
    "2310 combines elementary and middle schools; 2330 does not uniquely identify a grade span. Public file does not identify local schools or districts for trial linkage.",
    "2025 shutdown removed diary days September 30\u2013November 11; quarter weights do not restore unobserved seasonal behavior."
  ]
}