{
 "study": "s14",
 "version": "1.1",
 "collected": [
  "2026-09-26",
  "2026-09-27"
 ],
 "statistics": {
  "n_searches": 103,
  "n_businesses": 1833,
  "n_listed": 787,
  "collected": "2026-09-26",
  "listed_rate_overall": 42.9,
  "listed_rate_by_rank_band": {
   "1-3": {
    "n": 282,
    "rate": 69.5
   },
   "4-10": {
    "n": 637,
    "rate": 52.7
   },
   "11-20": {
    "n": 914,
    "rate": 27.9
   }
  },
  "features": {
   "reviews_above_search_median": {
    "share_of_businesses": 49.5,
    "listed_rate_with": 57.2,
    "listed_rate_without": 28.9,
    "position_adjusted_diff_pts": 21.2,
    "ci95": [
     15.9,
     26.3
    ],
    "significant": true
   },
   "photos_above_search_median": {
    "share_of_businesses": 48.7,
    "listed_rate_with": 48.4,
    "listed_rate_without": 37.8,
    "position_adjusted_diff_pts": 6.5,
    "ci95": [
     2.4,
     11.0
    ],
    "significant": true
   },
   "rating_above_search_median": {
    "share_of_businesses": 27.1,
    "listed_rate_with": 43.3,
    "listed_rate_without": 42.8,
    "position_adjusted_diff_pts": 3.1,
    "ci95": [
     -2.5,
     9.1
    ],
    "significant": false
   },
   "rating_4_8_plus": {
    "share_of_businesses": 84.0,
    "listed_rate_with": 45.3,
    "listed_rate_without": 30.4,
    "position_adjusted_diff_pts": 12.4,
    "ci95": [
     4.1,
     20.9
    ],
    "significant": true
   },
   "claimed": {
    "share_of_businesses": 99.1,
    "listed_rate_with": 43.0,
    "listed_rate_without": 31.2,
    "position_adjusted_diff_pts": 4.5,
    "ci95": [
     -7.2,
     31.7
    ],
    "significant": false
   },
   "has_website": {
    "share_of_businesses": 98.3,
    "listed_rate_with": 43.1,
    "listed_rate_without": 32.3,
    "position_adjusted_diff_pts": 7.3,
    "ci95": [
     -7.7,
     24.5
    ],
    "significant": false
   },
   "stuffed_name": {
    "share_of_businesses": 13.0,
    "listed_rate_with": 53.1,
    "listed_rate_without": 41.4,
    "position_adjusted_diff_pts": 12.4,
    "ci95": [
     6.4,
     18.2
    ],
    "significant": true
   },
   "category_matches": {
    "share_of_businesses": 98.0,
    "listed_rate_with": 43.2,
    "listed_rate_without": 32.4,
    "position_adjusted_diff_pts": 5.1,
    "ci95": [
     -14.0,
     24.5
    ],
    "significant": false
   }
  },
  "medians": {
   "reviews_listed": 235,
   "reviews_not_listed": 133.5,
   "rating_listed": 4.9,
   "rating_not_listed": 4.9,
   "photos_listed": 25,
   "photos_not_listed": 22.0
  },
  "by_country_listed_rate": {
   "US": 36.0,
   "GB": 51.1,
   "CA": 38.2,
   "AU": 44.4
  },
  "claimed_share": 99.1
 },
 "v1_1": {
  "study": "s14",
  "version": "1.1",
  "collected": [
   "2026-09-26",
   "2026-09-27"
  ],
  "design": {
   "answers_with_list": 898,
   "business_answer_rows": 16294,
   "maps_businesses_day1": 1833,
   "maps_businesses_day2": 2173,
   "searches": 120,
   "answer_sets": 8,
   "answers_by_set": {
    "w1_p0_r1": 103,
    "w2_p0_r2": 112,
    "w2_p0_r3": 115,
    "w2_p0_r4": 112,
    "w2_p1_r1": 113,
    "w2_p2_r1": 116,
    "w2_p3_r1": 115,
    "w2_p4_r1": 112
   },
   "answers_total": 960
  },
  "day1": {
   "businesses": 1833,
   "listed_rate": 40.8,
   "listed_rate_v1_rule": 40.2,
   "by_band": {
    "1-3": {
     "n": 282,
     "rate": 67.7
    },
    "4-10": {
     "n": 637,
     "rate": 50.9
    },
    "11-20": {
     "n": 914,
     "rate": 25.4
    }
   },
   "signals": {
    "reviews_above_search_median": {
     "diff_pts": 21.3,
     "ci_pts": [
      16.0,
      27.3
     ],
     "significant": true
    },
    "rating_4_8_plus": {
     "diff_pts": 13.1,
     "ci_pts": [
      3.5,
      20.7
     ],
     "significant": true
    },
    "photos_above_search_median": {
     "diff_pts": 6.5,
     "ci_pts": [
      2.6,
      11.0
     ],
     "significant": true
    },
    "rating_above_search_median": {
     "diff_pts": 2.5,
     "ci_pts": [
      -3.6,
      8.7
     ],
     "significant": false
    },
    "stuffed_name": {
     "diff_pts": 10.6,
     "ci_pts": [
      5.0,
      15.6
     ],
     "significant": true
    }
   },
   "rank11_20_share": 49.9
  },
  "by_answer_set": {
   "w1_p0_r1": {
    "answers": 103,
    "rows": 1833,
    "listed_rate": 40.8,
    "top3_rate": 67.7,
    "rank11_20_rate": 25.4,
    "reviews": {
     "diff_pts": 21.3,
     "ci_pts": [
      15.7,
      26.6
     ],
     "significant": true
    },
    "rating_above_median": {
     "diff_pts": 2.5,
     "ci_pts": [
      -3.4,
      8.2
     ],
     "significant": false
    },
    "stuffed_name": {
     "diff_pts": 10.6,
     "ci_pts": [
      5.7,
      16.2
     ],
     "significant": true
    }
   },
   "w2_p0_r2": {
    "answers": 112,
    "rows": 2032,
    "listed_rate": 39.4,
    "top3_rate": 68.8,
    "rank11_20_rate": 24.5,
    "reviews": {
     "diff_pts": 20.4,
     "ci_pts": [
      15.4,
      25.9
     ],
     "significant": true
    },
    "rating_above_median": {
     "diff_pts": 8.5,
     "ci_pts": [
      3.0,
      13.8
     ],
     "significant": true
    },
    "stuffed_name": {
     "diff_pts": 6.0,
     "ci_pts": [
      -0.1,
      14.1
     ],
     "significant": false
    }
   },
   "w2_p0_r3": {
    "answers": 115,
    "rows": 2110,
    "listed_rate": 41.8,
    "top3_rate": 70.8,
    "rank11_20_rate": 26.1,
    "reviews": {
     "diff_pts": 20.4,
     "ci_pts": [
      16.0,
      24.8
     ],
     "significant": true
    },
    "rating_above_median": {
     "diff_pts": 4.5,
     "ci_pts": [
      -1.6,
      9.6
     ],
     "significant": false
    },
    "stuffed_name": {
     "diff_pts": -0.6,
     "ci_pts": [
      -7.2,
      6.2
     ],
     "significant": false
    }
   },
   "w2_p0_r4": {
    "answers": 112,
    "rows": 2013,
    "listed_rate": 41.3,
    "top3_rate": 68.4,
    "rank11_20_rate": 25.5,
    "reviews": {
     "diff_pts": 22.0,
     "ci_pts": [
      17.2,
      27.4
     ],
     "significant": true
    },
    "rating_above_median": {
     "diff_pts": 7.3,
     "ci_pts": [
      1.4,
      13.3
     ],
     "significant": true
    },
    "stuffed_name": {
     "diff_pts": 6.0,
     "ci_pts": [
      0.1,
      11.6
     ],
     "significant": true
    }
   },
   "w2_p1_r1": {
    "answers": 113,
    "rows": 2089,
    "listed_rate": 39.9,
    "top3_rate": 69.2,
    "rank11_20_rate": 25.0,
    "reviews": {
     "diff_pts": 18.5,
     "ci_pts": [
      14.0,
      23.4
     ],
     "significant": true
    },
    "rating_above_median": {
     "diff_pts": 5.6,
     "ci_pts": [
      0.0,
      10.7
     ],
     "significant": true
    },
    "stuffed_name": {
     "diff_pts": 1.7,
     "ci_pts": [
      -4.5,
      8.1
     ],
     "significant": false
    }
   },
   "w2_p2_r1": {
    "answers": 116,
    "rows": 2093,
    "listed_rate": 42.2,
    "top3_rate": 69.6,
    "rank11_20_rate": 27.4,
    "reviews": {
     "diff_pts": 15.8,
     "ci_pts": [
      11.2,
      21.1
     ],
     "significant": true
    },
    "rating_above_median": {
     "diff_pts": 7.4,
     "ci_pts": [
      2.9,
      12.4
     ],
     "significant": true
    },
    "stuffed_name": {
     "diff_pts": 4.6,
     "ci_pts": [
      -2.6,
      11.8
     ],
     "significant": false
    }
   },
   "w2_p3_r1": {
    "answers": 115,
    "rows": 2092,
    "listed_rate": 43.3,
    "top3_rate": 71.1,
    "rank11_20_rate": 27.5,
    "reviews": {
     "diff_pts": 21.3,
     "ci_pts": [
      16.7,
      26.1
     ],
     "significant": true
    },
    "rating_above_median": {
     "diff_pts": 5.7,
     "ci_pts": [
      0.1,
      11.7
     ],
     "significant": true
    },
    "stuffed_name": {
     "diff_pts": 2.3,
     "ci_pts": [
      -5.0,
      9.1
     ],
     "significant": false
    }
   },
   "w2_p4_r1": {
    "answers": 112,
    "rows": 2032,
    "listed_rate": 40.6,
    "top3_rate": 68.6,
    "rank11_20_rate": 24.5,
    "reviews": {
     "diff_pts": 18.6,
     "ci_pts": [
      14.2,
      23.5
     ],
     "significant": true
    },
    "rating_above_median": {
     "diff_pts": 8.2,
     "ci_pts": [
      2.7,
      14.5
     ],
     "significant": true
    },
    "stuffed_name": {
     "diff_pts": 3.6,
     "ci_pts": [
      -3.0,
      10.1
     ],
     "significant": false
    }
   }
  },
  "reviews_premium_range": {
   "min": 15.8,
   "max": 22.0,
   "sets_significant": 8,
   "sets": 8,
   "stuffed_sets_significant": 2,
   "stuffed_min": -0.6,
   "stuffed_max": 10.6,
   "rating_sets_significant": 6
  },
  "model": {
   "method": "logistic regression with standard errors clustered by search (GEE, independence working correlation); controls: Maps rank band, country, service, reworded question, second day",
   "rows": 16294,
   "searches": 120,
   "bootstrap_fits": 200,
   "ame_pts": {
    "reviews_above_search_median": {
     "diff_pts": 19.5,
     "ci_pts": [
      15.0,
      23.0
     ],
     "significant": true
    },
    "rating_4_8_plus": {
     "diff_pts": 9.9,
     "ci_pts": [
      4.7,
      14.7
     ],
     "significant": true
    },
    "photos_above_search_median": {
     "diff_pts": 3.2,
     "ci_pts": [
      0.5,
      6.3
     ],
     "significant": true
    },
    "rating_above_search_median": {
     "diff_pts": 7.1,
     "ci_pts": [
      2.5,
      11.3
     ],
     "significant": true
    },
    "stuffed_name": {
     "diff_pts": 2.4,
     "ci_pts": [
      -2.2,
      6.8
     ],
     "significant": false
    },
    "rank_11_20": {
     "diff_pts": -34.1,
     "ci_pts": [
      -40.4,
      -28.5
     ],
     "significant": true
    }
   },
   "odds_ratios": {
    "reviews_above_search_median": 2.57,
    "rating_4_8_plus": 1.68,
    "photos_above_search_median": 1.18,
    "rating_above_search_median": 1.44,
    "stuffed_name": 1.13
   }
  },
  "stability": {
   "jaccard_repeat_runs": {
    "mean": 0.74,
    "ci": [
     0.72,
     0.77
    ],
    "pairs": 283
   },
   "jaccard_across_days": {
    "mean": 0.68,
    "ci": [
     0.66,
     0.71
    ],
    "pairs": 251
   },
   "jaccard_original_vs_reworded": {
    "mean": 0.71,
    "ci": [
     0.7,
     0.73
    ],
    "pairs": 1141
   },
   "repeat_runs": {
    "searches": 100,
    "businesses": 1829,
    "ever_listed": 939,
    "listed_all_three_of_ever": 60.0,
    "listed_once_of_ever": 20.8,
    "listed_twice_of_ever": 19.3,
    "never_listed": 48.7,
    "all_three_top3": 84.1,
    "all_three_rank11_20": 41.1,
    "all_three_more_reviews": 69.2,
    "all_three_fewer_reviews": 44.1
   },
   "across_days": {
    "businesses_in_both_top20s": 1438,
    "agree": 88.0,
    "listed_day1_majority_day2": 85.4,
    "unlisted_day1_majority_day2": 10.1
   },
   "maps_top20_overlap_days": 0.87
  },
  "concentration": {
   "searches": 105,
   "median_listed_per_answer": 8.7,
   "median_distinct_over_answers": 12.0,
   "median_effective_number": 9.9,
   "median_hhi": 0.101,
   "median_top3_share": 34.4
  },
  "outside_top20": {
   "w1": {
    "listings": 1405,
    "share_outside": 46.8,
    "other_branch": 2.1
   },
   "w2": {
    "listings": 10866,
    "share_outside": 45.1,
    "other_branch": 2.7
   }
  }
 }
}