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Everyone is wrong about my thumbnail workflow

Experiment #143 · closed · published 6/8/2026, 11:14:00 AM

What happened

Creative features

  • hookTypecontrarian
  • lengthBucket10_20m
  • thumbnailArchetypeface_reaction
  • publishSlotweekday_am
  • formatvlog
  • topicCluster1

Confounds the baseline knew

  • Followers at publish22,745
  • Days since previous post1
  • Channel age at publish (days)199
  • Local publish time6/8/2026, 11:14:00 AM

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)

155

Baseline expected

150

Residual reward

+0.05σ

raw 0.05σ · residual sd 0.599 log-views

Checkpoints

CheckpointViewsWatch time (min)CommentsLikesFollower delta
168h (close)15548,825180
24h8526,854040
72h12439,060060

What changed in the posterior

  • Post beat its baseline by 0.05σ. Moved: topic_cluster:topic_1 +0.017, hook_type:contrarian +0.016, format:vlog +0.013.

    • topic_1-0.092-0.075 Δ+0.017±0.26
    • contrarian-0.074-0.058 Δ+0.016±0.27
    • vlog-0.148-0.134 Δ+0.013±0.26
    • face_reaction0.0470.057 Δ+0.009±0.25
    • weekday_am-0.159-0.150 Δ+0.009±0.26
    • interview0.1870.179 Δ-0.008±0.26
    • topic_70.1850.178 Δ-0.008±0.28
    • 10_20m0.0770.084 Δ+0.007±0.25
    • none0.0180.012 Δ-0.006±0.27
    • story_cold_open0.2560.251 Δ-0.005±0.26
    • 1_4m0.0110.007 Δ-0.005±0.26
    • topic_40.2690.265 Δ-0.004±0.26
    • weekend_pm0.2580.255 Δ-0.004±0.28
    • topic_50.0220.018 Δ-0.004±0.30
    • commentary-0.053-0.057 Δ-0.004±0.27
    • demo_first-0.086-0.089 Δ-0.003±0.26
    • topic_2-0.185-0.189 Δ-0.003±0.27
    • tutorial-0.015-0.018 Δ-0.003±0.25
    • topic_6-0.423-0.420 Δ+0.003±0.31
    • claim-0.154-0.156 Δ-0.002±0.27
    • weekday_pm-0.040-0.043 Δ-0.002±0.24
    • weekend_am0.1620.159 Δ-0.002±0.29
    • question0.1500.148 Δ-0.002±0.27
    • shorts0.0610.063 Δ+0.002±0.27
    • topic_0-0.087-0.086 Δ+0.002±0.26
    • object_hero-0.295-0.297 Δ-0.002±0.27
    • weekday_late-0.221-0.219 Δ+0.002±0.28
    • number_list-0.093-0.094 Δ-0.001±0.26
    • topic_30.3110.310 Δ-0.001±0.27
    • 4_10m-0.106-0.107 Δ-0.001±0.27
    • 20m_plus-0.036-0.035 Δ+0.001±0.28
    • list-0.032-0.031 Δ+0.001±0.28
    • under_60s0.0540.053 Δ-0.000±0.26
    • text_dominant0.0480.048 Δ-0.000±0.25
    • before_after0.1810.181 Δ+0.000±0.29
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