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7 rules for my thumbnail workflow

Experiment #192 · closed · published 8/16/2026, 5:27:00 PM

What happened

Creative features

  • hookTypenumber_list
  • lengthBucket4_10m
  • thumbnailArchetypebefore_after
  • publishSlotweekend_pm
  • formatinterview
  • topicCluster2

Confounds the baseline knew

  • Followers at publish28,416
  • Days since previous post1.1
  • Channel age at publish (days)268
  • Local publish time8/16/2026, 5:27:00 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)

67

Baseline expected

192

Residual reward

-1.76σ

raw -1.76σ · residual sd 0.599 log-views

Checkpoints

CheckpointViewsWatch time (min)CommentsLikesFollower delta
168h (close)679,849030
24h375,417020
72h547,879030

What changed in the posterior

  • Post missed its baseline by 1.76σ. Moved: topic_cluster:topic_2 -0.056, thumbnail_archetype:before_after -0.048, hook_type:number_list -0.043.

    • topic_2-0.205-0.261 Δ-0.056±0.25
    • before_after0.0760.028 Δ-0.048±0.26
    • number_list-0.065-0.108 Δ-0.043±0.24
    • weekend_pm0.1510.110 Δ-0.041±0.25
    • interview0.0960.059 Δ-0.037±0.24
    • 4_10m-0.078-0.109 Δ-0.031±0.25
    • topic_6-0.298-0.278 Δ+0.020±0.26
    • contrarian-0.054-0.036 Δ+0.017±0.25
    • weekday_am-0.111-0.094 Δ+0.017±0.24
    • text_dominant0.0500.063 Δ+0.013±0.24
    • 20m_plus-0.131-0.118 Δ+0.013±0.25
    • none0.0700.082 Δ+0.012±0.25
    • list-0.0040.007 Δ+0.010±0.27
    • commentary0.0130.023 Δ+0.010±0.25
    • topic_50.0720.080 Δ+0.008±0.26
    • object_hero-0.296-0.289 Δ+0.007±0.25
    • story_cold_open0.1720.178 Δ+0.007±0.25
    • weekday_pm-0.035-0.029 Δ+0.007±0.24
    • face_reaction0.0920.098 Δ+0.006±0.24
    • weekday_late-0.168-0.162 Δ+0.006±0.27
    • question0.2270.232 Δ+0.006±0.25
    • topic_1-0.028-0.023 Δ+0.005±0.24
    • topic_30.1950.200 Δ+0.005±0.25
    • under_60s0.1180.122 Δ+0.004±0.25
    • topic_70.1540.158 Δ+0.004±0.26
    • 10_20m0.0470.051 Δ+0.004±0.24
    • shorts-0.057-0.054 Δ+0.004±0.25
    • topic_40.1570.160 Δ+0.003±0.25
    • tutorial0.0140.017 Δ+0.003±0.24
    • weekend_am0.1550.157 Δ+0.002±0.28
    • demo_first-0.053-0.051 Δ+0.002±0.25
    • claim-0.234-0.233 Δ+0.002±0.24
    • vlog-0.071-0.070 Δ+0.001±0.25
    • topic_0-0.054-0.054 Δ+0.000±0.24
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