{
 "study": "s17",
 "version": "1.0",
 "collected": "2026-09-26",
 "statistics": {
  "collected": "2026-09-26",
  "answers": 319,
  "questions": 40,
  "unfinished_answers_excluded": [
   {
    "engine": "chatgpt",
    "prompt": "Which high-yield savings account is the best right now?",
    "country": "CA",
    "variant": null,
    "text": "I\u2019ll compare current high-yield savings options, including rates, fees, minimums, and any promotional conditions."
   }
  ],
  "by_engine": {
   "chatgpt": {
    "pairwise_mean_jaccard": {
     "US-GB": 0.398,
     "US-CA": 0.487,
     "US-AU": 0.428,
     "GB-CA": 0.399,
     "GB-AU": 0.386,
     "CA-AU": 0.433
    },
    "mean_jaccard_all_pairs": 0.422,
    "brands_in_all_4_countries_pct": 25.1,
    "same_first_brand_all_4_pct": 27.3,
    "questions_compared": 33,
    "local_domain_share_of_citations_pct": {
     "US": 0.0,
     "GB": 24.3,
     "CA": 18.2,
     "AU": 34.9
    },
    "run_to_run_baseline_jaccard_study8": 0.53
   },
   "gemini": {
    "pairwise_mean_jaccard": {
     "US-GB": 0.47,
     "US-CA": 0.361,
     "US-AU": 0.457,
     "GB-CA": 0.382,
     "GB-AU": 0.397,
     "CA-AU": 0.391
    },
    "mean_jaccard_all_pairs": 0.41,
    "brands_in_all_4_countries_pct": 23.2,
    "same_first_brand_all_4_pct": 13.5,
    "questions_compared": 37,
    "local_domain_share_of_citations_pct": {
     "US": 0.0,
     "GB": 12.8,
     "CA": 16.4,
     "AU": 15.4
    },
    "run_to_run_baseline_jaccard_study8": 0.421
   }
  },
  "first_brand_questions_excluded": {
   "chatgpt": 7,
   "gemini": 3
  },
  "matched_baseline": {
   "questions": 10,
   "chatgpt": {
    "same_country_run_to_run_jaccard": 0.617,
    "cross_country_jaccard": 0.292
   },
   "gemini": {
    "same_country_run_to_run_jaccard": 0.453,
    "cross_country_jaccard": 0.328
   }
  }
 }
}