{
  "title": "Learning word associations through grounded context",
  "date": "2026-10-03",
  "run_code_as_recorded": "ba61c09",
  "training_dataset": "COCO: 118,287 images and 591,753 captions before per-word withholding",
  "vision_training": "Images only; 9,000 steps of 256 images for each visual seed",
  "evaluation": "Flickr8k test, used as development data; 100 words held out one at a time",
  "metric": "Mean per-word precision@10 divided by test-photo word prevalence",
  "intervals": "Seeded 95% bootstrap intervals over words, not over images or independent studies",
  "sources": [
    {
      "artifact": "spikes/mentalese_core/results/20261003T201058Z-context-ppmi-corrected/context-loo-ppmi.json",
      "sha256": "1c8b9dad0c8e7548c7f842dadafb684c07eb0533b5468264fda4fe1d0b8de006"
    }
  ],
  "runs": {
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        "context": 2.206,
        "control": 0.93
      },
      "interval_95": {
        "first_hand": [
          2.61,
          3.832
        ],
        "context": [
          1.739,
          2.74
        ],
        "control": [
          0.677,
          1.215
        ]
      },
      "context_minus_control": {
        "mean": 1.276,
        "interval_95": [
          0.761,
          1.847
        ]
      },
      "words_above_2x": {
        "first_hand": 60,
        "context": 49,
        "control": 17
      },
      "share_context_beats_control": 0.5,
      "share_context_ties_control": 0.3,
      "per_word": [
        {
          "word": "man",
          "photos_withheld": 26675,
          "captions_read": 72297,
          "gains": 68696,
          "lift_first_hand": 1.91,
          "lift_context": 1.91,
          "lift_control": 0.64,
          "lift_control_wrong_weights": 1.59
        },
        {
          "word": "wearing",
          "photos_withheld": 7114,
          "captions_read": 9884,
          "gains": 9819,
          "lift_first_hand": 1.89,
          "lift_context": 2.26,
          "lift_control": 0.0,
          "lift_control_wrong_weights": 0.0
        },
        {
          "word": "white",
          "photos_withheld": 23991,
          "captions_read": 35148,
          "gains": 33703,
          "lift_first_hand": 2.37,
          "lift_context": 0.79,
          "lift_control": 1.19,
          "lift_control_wrong_weights": 1.19
        },
        {
          "word": "black",
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          "gains": 18282,
          "lift_first_hand": 3.11,
          "lift_context": 0.89,
          "lift_control": 0.44,
          "lift_control_wrong_weights": 0.44
        },
        {
          "word": "dog",
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          "captions_read": 17810,
          "gains": 17512,
          "lift_first_hand": 0.92,
          "lift_context": 0.46,
          "lift_control": 0.92,
          "lift_control_wrong_weights": 0.92
        },
        {
          "word": "young",
          "photos_withheld": 12216,
          "captions_read": 16982,
          "gains": 16736,
          "lift_first_hand": 1.82,
          "lift_context": 0.45,
          "lift_control": 1.36,
          "lift_control_wrong_weights": 0.91
        },
        {
          "word": "people",
          "photos_withheld": 18404,
          "captions_read": 41630,
          "gains": 41324,
          "lift_first_hand": 1.89,
          "lift_context": 1.26,
          "lift_control": 0.0,
          "lift_control_wrong_weights": 0.63
        },
        {
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          "gains": 16498,
          "lift_first_hand": 3.73,
          "lift_context": 1.86,
          "lift_control": 1.24,
          "lift_control_wrong_weights": 1.86
        },
        {
          "word": "woman",
          "photos_withheld": 12877,
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          "gains": 32898,
          "lift_first_hand": 2.82,
          "lift_context": 2.11,
          "lift_control": 0.0,
          "lift_control_wrong_weights": 0.0
        },
        {
          "word": "boy",
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          "captions_read": 10776,
          "gains": 10473,
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          "lift_context": 2.37,
          "lift_control": 0.59,
          "lift_control_wrong_weights": 1.18
        },
        {
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          "lift_control_wrong_weights": 1.32
        },
        {
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        },
        {
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          "lift_control_wrong_weights": 1.16
        },
        {
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        {
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        {
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        {
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        },
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        }
      }
    }
  },
  "repository_snapshot": "26ef5b0439869e1fcfbe5b2148ca8f24257d52ca",
  "provenance_note": "Measurements extracted from completed local run artifacts. Source SHA-256 hashes refer to the original files. Machine-local paths are omitted. The repository snapshot identifies code inspected for this page, not necessarily the commit that executed every source run."
}