{
  "status": "synthetic",
  "provenance": "Invented cohort sizes and continuation counts reconstruct the direction of the historical variant readout, not its actual measurements.",
  "definitions": {
    "population": "New-to-check-in and existing-check-in users are separate populations. Original and redesigned variants are assigned at the start of a seven-day check-in cycle in this reconstruction.",
    "continuation": "People checking in on each follow-up day / all initial users in that variant. These are daily participation rates, not a survival curve or retention across the whole platform.",
    "followup": "Days 2\u20137 of the cycle and day 8 as the start of the next cycle. Every initial user remains in the denominator and has complete follow-up.",
    "comparison": "Historical deck labels the evaluation A/B, but its allocation details, original sample sizes and statistical uncertainty are not available here. Reconstructed sample sizes are illustrative; no significance or randomized-causal-effect claim is made.",
    "scope": "The historical work documents clearer next-day rewards and a reward-redemption destination. This presentation does not claim a measured platform-wide DAU or revenue effect."
  },
  "continuation": [
    {
      "audience": "New users",
      "day": 2,
      "original_users": 15000,
      "redesigned_users": 15000,
      "original_checkins": 1350,
      "redesigned_checkins": 2250,
      "original_rate": 0.09,
      "redesigned_rate": 0.15,
      "difference_pp": 6.0,
      "relative_ratio": 1.6666666666666667
    },
    {
      "audience": "New users",
      "day": 3,
      "original_users": 15000,
      "redesigned_users": 15000,
      "original_checkins": 645,
      "redesigned_checkins": 1425,
      "original_rate": 0.043,
      "redesigned_rate": 0.095,
      "difference_pp": 5.2,
      "relative_ratio": 2.2093023255813953
    },
    {
      "audience": "New users",
      "day": 4,
      "original_users": 15000,
      "redesigned_users": 15000,
      "original_checkins": 495,
      "redesigned_checkins": 1170,
      "original_rate": 0.033,
      "redesigned_rate": 0.078,
      "difference_pp": 4.5,
      "relative_ratio": 2.3636363636363638
    },
    {
      "audience": "New users",
      "day": 5,
      "original_users": 15000,
      "redesigned_users": 15000,
      "original_checkins": 420,
      "redesigned_checkins": 1050,
      "original_rate": 0.028,
      "redesigned_rate": 0.07,
      "difference_pp": 4.2,
      "relative_ratio": 2.5
    },
    {
      "audience": "New users",
      "day": 6,
      "original_users": 15000,
      "redesigned_users": 15000,
      "original_checkins": 360,
      "redesigned_checkins": 990,
      "original_rate": 0.024,
      "redesigned_rate": 0.066,
      "difference_pp": 4.2,
      "relative_ratio": 2.75
    },
    {
      "audience": "New users",
      "day": 7,
      "original_users": 15000,
      "redesigned_users": 15000,
      "original_checkins": 330,
      "redesigned_checkins": 960,
      "original_rate": 0.022,
      "redesigned_rate": 0.064,
      "difference_pp": 4.2,
      "relative_ratio": 2.909090909090909
    },
    {
      "audience": "New users",
      "day": 8,
      "original_users": 15000,
      "redesigned_users": 15000,
      "original_checkins": 285,
      "redesigned_checkins": 900,
      "original_rate": 0.019,
      "redesigned_rate": 0.06,
      "difference_pp": 4.1000000000000005,
      "relative_ratio": 3.1578947368421053
    },
    {
      "audience": "Existing users",
      "day": 2,
      "original_users": 10000,
      "redesigned_users": 10000,
      "original_checkins": 7600,
      "redesigned_checkins": 7400,
      "original_rate": 0.76,
      "redesigned_rate": 0.74,
      "difference_pp": -2.0,
      "relative_ratio": 0.9736842105263158
    },
    {
      "audience": "Existing users",
      "day": 3,
      "original_users": 10000,
      "redesigned_users": 10000,
      "original_checkins": 7200,
      "redesigned_checkins": 7320,
      "original_rate": 0.72,
      "redesigned_rate": 0.732,
      "difference_pp": 1.2,
      "relative_ratio": 1.0166666666666666
    },
    {
      "audience": "Existing users",
      "day": 4,
      "original_users": 10000,
      "redesigned_users": 10000,
      "original_checkins": 6800,
      "redesigned_checkins": 7260,
      "original_rate": 0.68,
      "redesigned_rate": 0.726,
      "difference_pp": 4.6,
      "relative_ratio": 1.0676470588235294
    },
    {
      "audience": "Existing users",
      "day": 5,
      "original_users": 10000,
      "redesigned_users": 10000,
      "original_checkins": 6500,
      "redesigned_checkins": 7200,
      "original_rate": 0.65,
      "redesigned_rate": 0.72,
      "difference_pp": 7.000000000000001,
      "relative_ratio": 1.1076923076923078
    },
    {
      "audience": "Existing users",
      "day": 6,
      "original_users": 10000,
      "redesigned_users": 10000,
      "original_checkins": 6200,
      "redesigned_checkins": 7150,
      "original_rate": 0.62,
      "redesigned_rate": 0.715,
      "difference_pp": 9.5,
      "relative_ratio": 1.153225806451613
    },
    {
      "audience": "Existing users",
      "day": 7,
      "original_users": 10000,
      "redesigned_users": 10000,
      "original_checkins": 6000,
      "redesigned_checkins": 7100,
      "original_rate": 0.6,
      "redesigned_rate": 0.71,
      "difference_pp": 11.0,
      "relative_ratio": 1.1833333333333333
    },
    {
      "audience": "Existing users",
      "day": 8,
      "original_users": 10000,
      "redesigned_users": 10000,
      "original_checkins": 5700,
      "redesigned_checkins": 7040,
      "original_rate": 0.57,
      "redesigned_rate": 0.704,
      "difference_pp": 13.4,
      "relative_ratio": 1.2350877192982457
    }
  ]
}