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Experiment #139 · closed · published 6/3/2026, 3:47:00 PM

What happened

Creative features

  • hookTypeclaim
  • lengthBucketunder_60s
  • thumbnailArchetypetext_dominant
  • publishSlotweekday_pm
  • formatshorts
  • topicCluster5

Confounds the baseline knew

  • Followers at publish22,396
  • Days since previous post1.3
  • Channel age at publish (days)194
  • Local publish time6/3/2026, 3:47:00 PM

The residual reward

Raw views mostly measure how big the channel already was. The baseline predicts what this channel “should” have earned given the confounds above; the residual is how the post actually landed relative to that prediction — measured in standard deviations.

Observed (168h)

65

Baseline expected

146

Residual reward

-1.35σ

raw -1.35σ · residual sd 0.599 log-views

Checkpoints

CheckpointViewsWatch time (min)CommentsLikesFollower delta
168h (close)65910030
24h36500020
72h52728030

What changed in the posterior

  • Post missed its baseline by 1.35σ. Moved: topic_cluster:topic_5 -0.093, hook_type:claim -0.054, format:shorts -0.053.

    • topic_50.1080.016 Δ-0.093±0.30
    • claim-0.105-0.159 Δ-0.054±0.27
    • shorts0.1260.073 Δ-0.053±0.27
    • under_60s0.1150.063 Δ-0.052±0.26
    • text_dominant0.0940.057 Δ-0.037±0.25
    • topic_0-0.106-0.087 Δ+0.018±0.26
    • topic_40.2700.288 Δ+0.017±0.26
    • 1_4m-0.0100.006 Δ+0.016±0.26
    • weekday_pm-0.029-0.044 Δ-0.015±0.25
    • list-0.031-0.018 Δ+0.013±0.28
    • face_reaction0.0450.057 Δ+0.012±0.25
    • topic_1-0.084-0.072 Δ+0.012±0.26
    • object_hero-0.300-0.289 Δ+0.011±0.27
    • topic_2-0.188-0.178 Δ+0.010±0.27
    • number_list-0.103-0.093 Δ+0.010±0.26
    • topic_30.3150.324 Δ+0.009±0.27
    • 20m_plus-0.011-0.002 Δ+0.009±0.28
    • interview0.1400.149 Δ+0.009±0.26
    • contrarian-0.059-0.050 Δ+0.009±0.28
    • demo_first-0.077-0.067 Δ+0.009±0.26
    • tutorial-0.0040.004 Δ+0.008±0.25
    • commentary-0.081-0.072 Δ+0.008±0.27
    • story_cold_open0.2440.253 Δ+0.008±0.26
    • weekend_am0.1380.146 Δ+0.008±0.29
    • 10_20m0.0640.072 Δ+0.008±0.26
    • topic_6-0.533-0.525 Δ+0.007±0.32
    • weekday_late-0.269-0.274 Δ-0.006±0.29
    • topic_70.2110.216 Δ+0.005±0.28
    • 4_10m-0.163-0.159 Δ+0.004±0.27
    • question0.0940.097 Δ+0.004±0.27
    • before_after0.1410.145 Δ+0.004±0.30
    • none0.0150.011 Δ-0.003±0.27
    • weekday_am-0.149-0.153 Δ-0.003±0.26
    • weekend_pm0.3040.306 Δ+0.002±0.28
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