{
  "id": "allocator-evaluation-power",
  "claim": "After corrected walk-forward eligibility, a multi-page allocation evaluation retained 7,768 impressions and only 52 primary conversions \u2014 large point lifts often fail uncertainty checks.",
  "definition": "Power characterisation of contextual landing-page allocation evaluation under conversion rarity.",
  "numbers": [
    {
      "label": "eligible_impressions_24h",
      "value": 7768
    },
    {
      "label": "primary_conversions",
      "value": 52
    },
    {
      "label": "example_confirmation_greedy_lift",
      "value": 0.471,
      "note": "21 conversions on slice; CI crosses zero"
    },
    {
      "label": "full_greedy_lift",
      "value": 0.19,
      "note": "not significant"
    }
  ],
  "canonical_url": "https://lutiq.com/research/underpowered-allocation-evaluation/",
  "methods_url": "https://lutiq.com/research/lutiq-holdout-protocol/",
  "open_data_url": "https://lutiq.com/data/research/allocator-power-2026-07.json",
  "sources": [
    "https://lutiq.com/research/underpowered-allocation-evaluation/"
  ],
  "last_verified": "2026-08-06",
  "caveats": [
    "Methodology/power paper, not a product ROI claim."
  ],
  "_meta": {
    "schema": "https://lutiq.com/data/answer-packets/_schema.json",
    "publisher": "Lutiq"
  }
}