{
 "study": "s6",
 "version": "1.1",
 "collected": "2026-09-26",
 "reanalyzed": "2026-09-28",
 "statistics": {
  "reanalyzed": "2026-09-28",
  "collected": "2026-09-26",
  "n_searches": 400,
  "n_seed_topics": 32,
  "bootstrap": {
   "resamples": 2000,
   "seed": 20260926,
   "cluster": "seed topic"
  },
  "outcome_states": {
   "Both shown and both cited": {
    "n": 236,
    "pct": 59.0
   },
   "AI Mode only (no AI Overview shown)": {
    "n": 147,
    "pct": 36.8
   },
   "Both shown, only the AI Overview cited": {
    "n": 13,
    "pct": 3.2
   },
   "Both shown, only AI Mode cited": {
    "n": 4,
    "pct": 1.0
   }
  },
  "appearance": {
   "aim_answered_pct": 100.0,
   "aim_cited_pct": 94.0,
   "ao_shown_pct": {
    "value": 63.2,
    "ci95": [
     52.186,
     74.219
    ]
   },
   "ao_cited_pct": 62.2
  },
  "transfer_all": {
   "n_aim_cited": 376,
   "ao_shares_a_url_pct": {
    "value": 43.6,
    "ci95": [
     33.249,
     54.756
    ]
   },
   "ao_shares_a_domain_excl_google_pct": {
    "value": 47.6,
    "ci95": [
     35.635,
     60.055
    ]
   }
  },
  "n_both_cited": 236,
  "overlap": {
   "url_jaccard_mean": {
    "value": 0.139,
    "ci95": [
     0.111,
     0.163
    ]
   },
   "url_jaccard_median": 0.1,
   "url_zero_overlap_pct": {
    "value": 30.5,
    "ci95": [
     24.415,
     38.071
    ]
   },
   "domain_jaccard_excl_google_mean": {
    "value": 0.242,
    "ci95": [
     0.192,
     0.281
    ]
   },
   "domain_zero_overlap_excl_google_pct": 23.2,
   "share_of_aim_urls_in_ao_mean_pct": {
    "value": 28.4,
    "ci95": [
     23.898,
     32.553
    ]
   },
   "share_of_ao_urls_in_aim_mean_pct": {
    "value": 22.2,
    "ci95": [
     16.972,
     26.966
    ]
   }
  },
  "overlap_sensitivity": {
   "url_overlap_coefficient_mean": {
    "value": 0.332,
    "ci95": [
     0.279,
     0.378
    ]
   },
   "url_jaccard_excl_google_urls_mean": {
    "value": 0.138,
    "ci95": [
     0.11,
     0.162
    ]
   },
   "domain_jaccard_incl_google_mean": {
    "value": 0.272,
    "ci95": [
     0.23,
     0.307
    ]
   },
   "url_jaccard_first3_mean": {
    "value": 0.164,
    "ci95": [
     0.113,
     0.208
    ]
   }
  },
  "prominence": {
   "n": 235,
   "same_first_url_pct": {
    "value": 20.9,
    "ci95": [
     14.07,
     26.592
    ]
   },
   "same_first_domain_pct": {
    "value": 34.0,
    "ci95": [
     24.121,
     44.538
    ]
   },
   "ao_first_url_cited_anywhere_by_aim_pct": {
    "value": 41.7,
    "ci95": [
     32.743,
     49.632
    ]
   },
   "aim_first_url_cited_anywhere_by_ao_pct": {
    "value": 42.6,
    "ci95": [
     34.177,
     49.813
    ]
   },
   "aim_first_is_google_pct": 8.5,
   "ao_first_is_google_pct": 6.4
  },
  "ranking_to_citation": {
   "n_searches_both_shown": 253,
   "n_top10_urls": 2118,
   "all": {
    "aim_pct": {
     "value": 16.3,
     "ci95": [
      12.106,
      21.191
     ]
    },
    "ao_pct": {
     "value": 29.7,
     "ci95": [
      26.874,
      32.747
     ]
    }
   },
   "positions_1_3": {
    "aim_pct": {
     "value": 26.0,
     "ci95": [
      19.508,
      32.251
     ]
    },
    "ao_pct": {
     "value": 42.3,
     "ci95": [
      37.751,
      46.344
     ]
    }
   },
   "positions_4_10": {
    "aim_pct": {
     "value": 11.0,
     "ci95": [
      6.994,
      15.614
     ]
    },
    "ao_pct": {
     "value": 22.7,
     "ci95": [
      20.187,
      25.852
     ]
    }
   },
   "top10_url_fate_pct": {
    "both": 10.0,
    "ai_overview_only": 19.7,
    "ai_mode_only": 6.3,
    "neither": 63.9
   },
   "citations_from_top10_pct": {
    "aim": {
     "value": 19.9,
     "ci95": [
      14.938,
      24.593
     ]
    },
    "ao": {
     "value": 29.7,
     "ci95": [
      26.026,
      33.807
     ]
    }
   }
  },
  "paired": {
   "google_share": {
    "mean_diff_aim_minus_ao": {
     "value": 0.031,
     "ci95": [
      0.005,
      0.061
     ]
    },
    "aim_higher_pct": 17.8,
    "tie_pct": 72.5,
    "ao_higher_pct": 9.7
   },
   "ugc_share": {
    "mean_diff_aim_minus_ao": {
     "value": -0.106,
     "ci95": [
      -0.15,
      -0.066
     ]
    },
    "aim_higher_pct": 20.3,
    "tie_pct": 23.3,
    "ao_higher_pct": 56.4
   },
   "top10_share": {
    "mean_diff_aim_minus_ao": {
     "value": -0.073,
     "ci95": [
      -0.116,
      -0.031
     ]
    },
    "aim_higher_pct": 30.1,
    "tie_pct": 19.5,
    "ao_higher_pct": 50.4
   },
   "n_sources": {
    "mean_diff_aim_minus_ao": {
     "value": -1.208,
     "ci95": [
      -2.405,
      0.281
     ]
    },
    "aim_higher_pct": 31.8,
    "tie_pct": 3.8,
    "ao_higher_pct": 64.4
   }
  },
  "moderators": {
   "industry": {
    "B2B software and technology": {
     "n": 46,
     "url_jaccard_mean": 0.144,
     "url_jaccard_ci95": [
      0.054,
      0.193
     ],
     "aim_google_share_pct": 1.2,
     "ao_google_share_pct": 0.7,
     "ao_shown_pct": 94.0
    },
    "Financial services and insurance": {
     "n": 44,
     "url_jaccard_mean": 0.184,
     "url_jaccard_ci95": [
      0.156,
      0.214
     ],
     "aim_google_share_pct": 0.4,
     "ao_google_share_pct": 0.0,
     "ao_shown_pct": 92.0
    },
    "Franchises and multi-location brands": {
     "n": 18,
     "url_jaccard_mean": 0.114,
     "url_jaccard_ci95": [
      0.071,
      0.127
     ],
     "aim_google_share_pct": 16.3,
     "ao_google_share_pct": 9.6,
     "ao_shown_pct": 40.0
    },
    "Healthcare and dental": {
     "n": 23,
     "url_jaccard_mean": 0.136,
     "url_jaccard_ci95": [
      0.077,
      0.173
     ],
     "aim_google_share_pct": 10.5,
     "ao_google_share_pct": 12.9,
     "ao_shown_pct": 48.0
    },
    "Home and local services": {
     "n": 21,
     "url_jaccard_mean": 0.061,
     "url_jaccard_ci95": [
      0.039,
      0.094
     ],
     "aim_google_share_pct": 33.6,
     "ao_google_share_pct": 27.2,
     "ao_shown_pct": 48.0
    },
    "Hospitality and travel": {
     "n": 33,
     "url_jaccard_mean": 0.221,
     "url_jaccard_ci95": [
      0.187,
      0.269
     ],
     "aim_google_share_pct": 14.3,
     "ao_google_share_pct": 8.0,
     "ao_shown_pct": 70.0
    },
    "Legal and professional services": {
     "n": 21,
     "url_jaccard_mean": 0.099,
     "url_jaccard_ci95": [
      0.051,
      0.15
     ],
     "aim_google_share_pct": 16.2,
     "ao_google_share_pct": 24.6,
     "ao_shown_pct": 48.0
    },
    "Retail and ecommerce": {
     "n": 30,
     "url_jaccard_mean": 0.075,
     "url_jaccard_ci95": [
      0.044,
      0.087
     ],
     "aim_google_share_pct": 38.5,
     "ao_google_share_pct": 23.2,
     "ao_shown_pct": 66.0
    }
   },
   "intent": {
    "commercial": {
     "n": 112,
     "url_jaccard_mean": 0.158,
     "url_jaccard_ci95": [
      0.11,
      0.188
     ],
     "aim_google_share_pct": 7.4,
     "ao_google_share_pct": 8.9,
     "ao_shown_pct": 64.8
    },
    "informational": {
     "n": 71,
     "url_jaccard_mean": 0.116,
     "url_jaccard_ci95": [
      0.087,
      0.15
     ],
     "aim_google_share_pct": 5.7,
     "ao_google_share_pct": 0.8,
     "ao_shown_pct": 78.8
    },
    "navigational": {
     "n": 17,
     "url_jaccard_mean": 0.203,
     "url_jaccard_ci95": [
      0.139,
      0.27
     ],
     "aim_google_share_pct": 45.8,
     "ao_google_share_pct": 30.3,
     "ao_shown_pct": 40.4
    },
    "transactional": {
     "n": 36,
     "url_jaccard_mean": 0.093,
     "url_jaccard_ci95": [
      0.029,
      0.18
     ],
     "aim_google_share_pct": 35.1,
     "ao_google_share_pct": 27.3,
     "ao_shown_pct": 53.3
    }
   },
   "stratum": {
    "highest-volume": {
     "n": 84,
     "url_jaccard_mean": 0.153,
     "url_jaccard_ci95": [
      0.081,
      0.199
     ],
     "aim_google_share_pct": 17.6,
     "ao_google_share_pct": 15.3,
     "ao_shown_pct": 55.6
    },
    "random": {
     "n": 152,
     "url_jaccard_mean": 0.131,
     "url_jaccard_ci95": [
      0.105,
      0.158
     ],
     "aim_google_share_pct": 11.9,
     "ao_google_share_pct": 8.3,
     "ao_shown_pct": 68.3
    }
   }
  },
  "moderator_model": {
   "model": "OLS, per-search URL Jaccard ~ industry + intent + stratum, SE clustered by seed topic",
   "n": 236,
   "r2": 0.138,
   "wald": {
    "industry": {
     "p": 0.0,
     "terms": 7
    },
    "intent": {
     "p": 0.624,
     "terms": 3
    },
    "stratum": {
     "p": 0.494,
     "terms": 1
    }
   }
  },
  "concentration_both_cited": {
   "aim": {
    "distinct_domains": 512,
    "domain_mentions": 1201,
    "hhi": 0.0107,
    "effective_number": 93.5,
    "top5_share_pct": 16.2
   },
   "ao": {
    "distinct_domains": 602,
    "domain_mentions": 1424,
    "hhi": 0.017,
    "effective_number": 58.8,
    "top5_share_pct": 20.1
   }
  },
  "source_types_both_cited": {
   "Google property": {
    "aim": 20.4,
    "ao": 14.8
   },
   "Forum, social or video": {
    "aim": 11.2,
    "ao": 18.8
   },
   "Other website": {
    "aim": 62.8,
    "ao": 59.0
   },
   "Review site or directory": {
    "aim": 1.9,
    "ao": 2.6
   },
   "Government": {
    "aim": 1.4,
    "ao": 0.9
   },
   "Education": {
    "aim": 1.2,
    "ao": 1.5
   },
   "Marketplace or retailer": {
    "aim": 0.6,
    "ao": 1.4
   },
   "Wikipedia": {
    "aim": 0.5,
    "ao": 0.8
   }
  },
  "n_citations_both_cited": {
   "aim": 1728,
   "ao": 2013
  },
  "median_sources_both_cited": {
   "aim": 4.5,
   "ao": 8.0
  },
  "composition": {
   "aim_google_share_all_400_pct": 39.9,
   "aim_google_share_no_ao_searches_pct": 69.3,
   "n_no_ao_searches": 147,
   "aim_citations_no_ao_searches": 1155,
   "aim_google_share_both_cited_pct": {
    "value": 20.4,
    "ci95": [
     8.7,
     36.5
    ]
   },
   "ao_google_share_both_cited_pct": {
    "value": 14.8,
    "ci95": [
     7.3,
     24.1
    ]
   },
   "aim_ugc_share_both_cited_pct": {
    "value": 11.2,
    "ci95": [
     7.5,
     14.2
    ]
   },
   "ao_ugc_share_both_cited_pct": {
    "value": 18.8,
    "ci95": [
     15.6,
     22.3
    ]
   },
   "google_citations_in_no_ao_searches_pct": 69.3,
   "no_ao_by_industry_pct": {
    "B2B software and technology": 2.0,
    "Financial services and insurance": 2.7,
    "Franchises and multi-location brands": 20.4,
    "Healthcare and dental": 17.7,
    "Home and local services": 17.7,
    "Hospitality and travel": 10.2,
    "Legal and professional services": 17.7,
    "Retail and ecommerce": 11.6
   },
   "aim_url_in_top10_no_ao_searches_pct": 7.8,
   "aim_median_sources_no_ao_searches": 4,
   "ratio_both_cited": 1.4,
   "ugc_ratio_both_cited": 1.7
  }
 },
 "version_1_0_statistics": {
  "collected": "2026-09-26",
  "location": "United States, English, desktop, Google.com",
  "s6_n": 400,
  "s6_aim_answered_pct": 100.0,
  "s6_n_both_with_refs": 236,
  "s6_ao_present_in_subset_pct": 63.2,
  "s6_overlap": {
   "median_domain_jaccard": 0.2,
   "mean_domain_jaccard": 0.242,
   "median_url_jaccard": 0.1,
   "mean_url_jaccard": 0.139,
   "pct_pairs_zero_url_overlap": 30.5,
   "pct_pairs_zero_domain_overlap": 23.2,
   "mean_share_of_aim_domains_also_in_ao": 46.8
  },
  "s6_refs": {
   "aim_median": 4.0,
   "ao_median_same_kw": 8,
   "aim_answer_median_chars": 2507.0
  },
  "s6_aim_url_in_top10_pct": 15.1,
  "s6_aim_domain_in_top10_pct": 26.3,
  "s6_ao_url_in_top10_pct_subset": 29.5,
  "s6_top_domains_aim": [
   [
    "google.com",
    1154,
    39.9
   ],
   [
    "youtube.com",
    176,
    6.1
   ],
   [
    "reddit.com",
    43,
    1.5
   ],
   [
    "mercuryinsurance.com",
    40,
    1.4
   ],
   [
    "geico.com",
    29,
    1.0
   ],
   [
    "salesforce.com",
    27,
    0.9
   ],
   [
    "aaa.com",
    19,
    0.7
   ],
   [
    "aa.com",
    19,
    0.7
   ],
   [
    "nerdwallet.com",
    19,
    0.7
   ],
   [
    "insurify.com",
    18,
    0.6
   ],
   [
    "forbes.com",
    18,
    0.6
   ],
   [
    "hubspot.com",
    17,
    0.6
   ],
   [
    "allstate.com",
    17,
    0.6
   ],
   [
    "progressive.com",
    17,
    0.6
   ],
   [
    "zoho.com",
    17,
    0.6
   ]
  ],
  "s6_top_domains_ao_subset": [
   [
    "youtube.com",
    316,
    14.8
   ],
   [
    "google.com",
    312,
    14.6
   ],
   [
    "reddit.com",
    44,
    2.1
   ],
   [
    "facebook.com",
    33,
    1.5
   ],
   [
    "salesforce.com",
    28,
    1.3
   ],
   [
    "hp.com",
    27,
    1.3
   ],
   [
    "rocketmortgage.com",
    23,
    1.1
   ],
   [
    "hubspot.com",
    23,
    1.1
   ],
   [
    "nerdwallet.com",
    22,
    1.0
   ],
   [
    "allstate.com",
    19,
    0.9
   ],
   [
    "wikipedia.org",
    18,
    0.8
   ],
   [
    "zapier.com",
    18,
    0.8
   ],
   [
    "libertymutual.com",
    17,
    0.8
   ],
   [
    "bankrate.com",
    16,
    0.7
   ],
   [
    "forbes.com",
    15,
    0.7
   ]
  ],
  "s6_source_types_aim": {
   "Other website": 47.1,
   "Google property": 39.9,
   "Forum, social or video": 8.1,
   "Review site or directory": 2.1,
   "Government": 1.0,
   "Education": 0.8,
   "Marketplace or retailer": 0.6,
   "Wikipedia": 0.5
  },
  "s6_source_types_ao_subset": {
   "Other website": 58.6,
   "Forum, social or video": 19.2,
   "Google property": 14.6,
   "Review site or directory": 2.6,
   "Education": 1.7,
   "Marketplace or retailer": 1.4,
   "Government": 1.0,
   "Wikipedia": 0.8
  },
  "s6_n_citations": {
   "aim": 2894,
   "ao": 2139
  },
  "s6_derived": {
   "google_share_ratio_aim_vs_ao": 2.7,
   "ugc_ratio_ao_vs_aim": 2.4,
   "pct_pairs_some_url_overlap": 69.5,
   "aim_google_searchviewer_n": 844,
   "aim_google_search_or_shopping_n": 278,
   "aim_google_maps_n": 17,
   "mean_url_jaccard_pct": 13.9,
   "mean_domain_jaccard_pct": 24.2,
   "aim_google_other_n": 15
  }
 }
}