{
  "id": "AUDIT_N4_DEFINITIONS",
  "astra_review": "394bd6dc / packet 411b8a4d / ChatGPT 904baaa1",
  "at_utc": "2026-09-09T22:04:26.769302+00:00",
  "status": "RESEARCH ONLY \u2014 no scoring/composite/rename",
  "keep_separate": {
    "offer": {
      "direction_house": "DOWN",
      "delta": -0.139024,
      "first": 0.297526,
      "last": 0.158502
    },
    "attract": {
      "direction_house": "UP/FLAT",
      "delta": 0.016913999999999985,
      "first": 0.358697,
      "last": 0.375611
    },
    "senate_offer": {
      "direction": "DOWN",
      "delta": -0.113703,
      "first": 0.355564,
      "last": 0.241861
    },
    "senate_attract": {
      "direction": "UP",
      "delta": 0.03928100000000001,
      "first": 0.385532,
      "last": 0.424813
    },
    "rule": "Do NOT generalize to 'all cooperation declined'. Offer\u2193 and attract\u2191/flat are contrary directions \u2014 preserve both."
  },
  "definitions": {
    "offer": "Share of a member-term's ORIGINAL cosponsorships that go to OUT-PARTY-sponsored bills (cosponsor date = introduction date). Higher = more cross-party offering.",
    "attract": "Share of ORIGINAL cosponsors on a member's own bills who are OUT-PARTY. Higher = more cross-party attraction.",
    "original_vs_later": "Original only (same calendar date as bill introduction). Later cosponsors excluded from these aggregate CBS fields.",
    "aggregation_primary": "Chamber\u00d7Congress UNWEIGHTED mean across member-terms with non-missing offer/attract (member-mean, not edge-mean).",
    "aggregation_sensitivity": "Weighted (*_weighted) fields exist in source; reported separately; not primary.",
    "party_opportunity": "CBS offer/attract are member-level rates conditional on having original cosponsorship activity; they are NOT normalized by chamber party-seat share or opportunity-weighted by majority/minority status. Party-opportunity reweighting is NOT applied this pull \u2014 flag as open construct gate before any cross-family comparison.",
    "zero_denominator_exclusions": "Members with zero original cosponsorships (or missing score) are excluded from the chamber mean numerator count. Evidence: n_offer / n_attract often < n_members (see zero_activity_table).",
    "unit": "Native cooperation proportion in [0,1]. No inversion this pull."
  },
  "zero_activity_table_recent": [
    {
      "congress": 114,
      "chamber": "HOUSE",
      "n_members": 446,
      "n_offer": 445,
      "n_attract": 435,
      "offer_excluded_zero_or_missing": 1,
      "attract_excluded_zero_or_missing": 11,
      "mean_offer": 0.178473,
      "mean_attract": 0.374994
    },
    {
      "congress": 114,
      "chamber": "SENATE",
      "n_members": 100,
      "n_offer": 100,
      "n_attract": 100,
      "offer_excluded_zero_or_missing": 0,
      "attract_excluded_zero_or_missing": 0,
      "mean_offer": 0.246381,
      "mean_attract": 0.420605
    },
    {
      "congress": 115,
      "chamber": "HOUSE",
      "n_members": 453,
      "n_offer": 448,
      "n_attract": 442,
      "offer_excluded_zero_or_missing": 5,
      "attract_excluded_zero_or_missing": 11,
      "mean_offer": 0.183217,
      "mean_attract": 0.391591
    },
    {
      "congress": 115,
      "chamber": "SENATE",
      "n_members": 105,
      "n_offer": 104,
      "n_attract": 101,
      "offer_excluded_zero_or_missing": 1,
      "attract_excluded_zero_or_missing": 4,
      "mean_offer": 0.267408,
      "mean_attract": 0.438846
    },
    {
      "congress": 116,
      "chamber": "HOUSE",
      "n_members": 449,
      "n_offer": 447,
      "n_attract": 437,
      "offer_excluded_zero_or_missing": 2,
      "attract_excluded_zero_or_missing": 12,
      "mean_offer": 0.217507,
      "mean_attract": 0.398047
    },
    {
      "congress": 116,
      "chamber": "SENATE",
      "n_members": 102,
      "n_offer": 101,
      "n_attract": 101,
      "offer_excluded_zero_or_missing": 1,
      "attract_excluded_zero_or_missing": 1,
      "mean_offer": 0.255592,
      "mean_attract": 0.443838
    },
    {
      "congress": 117,
      "chamber": "HOUSE",
      "n_members": 454,
      "n_offer": 453,
      "n_attract": 444,
      "offer_excluded_zero_or_missing": 1,
      "attract_excluded_zero_or_missing": 10,
      "mean_offer": 0.150515,
      "mean_attract": 0.336373
    },
    {
      "congress": 117,
      "chamber": "SENATE",
      "n_members": 100,
      "n_offer": 100,
      "n_attract": 100,
      "offer_excluded_zero_or_missing": 0,
      "attract_excluded_zero_or_missing": 0,
      "mean_offer": 0.232823,
      "mean_attract": 0.401604
    },
    {
      "congress": 118,
      "chamber": "HOUSE",
      "n_members": 451,
      "n_offer": 451,
      "n_attract": 441,
      "offer_excluded_zero_or_missing": 0,
      "attract_excluded_zero_or_missing": 10,
      "mean_offer": 0.158502,
      "mean_attract": 0.375611
    },
    {
      "congress": 118,
      "chamber": "SENATE",
      "n_members": 103,
      "n_offer": 103,
      "n_attract": 102,
      "offer_excluded_zero_or_missing": 0,
      "attract_excluded_zero_or_missing": 1,
      "mean_offer": 0.241861,
      "mean_attract": 0.424813
    }
  ],
  "zero_activity_summary": {
    "max_offer_excluded": 5,
    "max_attract_excluded": 72,
    "total_offer_gaps": 31,
    "total_attract_gaps": 656
  },
  "member_vs_edge": {
    "primary": "member-mean of rates (each legislator-term one vote in chamber mean)",
    "not_used": "edge/opportunity-weighted mean (would weight high-activity members more in unweighted offer already partially via who has scores; explicit edge aggregation not computed)",
    "note": "Unweighted member mean \u2260 bill-edge mean. Do not claim edge-level cooperation rates."
  },
  "open_gates_for_reviewer": [
    "Independent raw source replication (Congress.gov lineage A still API_KEY_MISSING)",
    "Optional party-opportunity normalization (explicit future memo if pursued)",
    "Explicit edge-aggregation sensitivity (optional)",
    "S1 concurrent before cross-family coupling claims"
  ],
  "no_generalization": "Source paper distinguishes offer vs attract; contrary directions intact; not license for generic all-cooperation decline narrative.",
  "source_sha": {
    "rda": "e8a0a9662963e2705382ea0be3a5f69e0aa9b048bf5c81ae75386861f407d23b",
    "chamber_csv": "b063f0d11462b2ca23ae6d46e6e07534dd1cdb33ed49ba57cbba5951d6f4d762"
  }
}