What changed, and why

2026-08-28 12:48 · experiment 194

Post beat its baseline by 0.57σ. Moved: topic_cluster:topic_7 +0.026, publish_slot:weekday_late +0.021, format:shorts +0.018.

• topic_7+0.026uncertainty down to ±0.50
• weekday_late+0.021uncertainty down to ±0.53
• shorts+0.018uncertainty down to ±0.48
• 4_10m+0.015uncertainty down to ±0.48
• number_list+0.015uncertainty down to ±0.48

2026-08-28 12:48 · experiment 193

Post missed its baseline by 0.13σ. Moved: topic_cluster:topic_4 -0.011, hook_type:contrarian -0.007, length_bucket:under_60s -0.007.

• topic_4-0.011uncertainty down to ±0.49
• contrarian-0.007uncertainty down to ±0.49
• under_60s-0.007uncertainty down to ±0.49
• none-0.007uncertainty down to ±0.50
• vlog-0.006uncertainty down to ±0.49

2026-08-28 12:48 · experiment 192

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_2-0.056uncertainty down to ±0.48
• before_after-0.048uncertainty down to ±0.51
• number_list-0.043uncertainty down to ±0.48
• weekend_pm-0.041uncertainty down to ±0.50
• interview-0.037uncertainty down to ±0.47

2026-08-28 12:48 · experiment 191

Post missed its baseline by 0.75σ. Moved: topic_cluster:topic_7 -0.033, length_bucket:20m_plus -0.028, thumbnail_archetype:none -0.026.

• topic_7-0.033uncertainty down to ±0.51
• 20m_plus-0.028uncertainty down to ±0.50
• none-0.026uncertainty down to ±0.50
• commentary-0.025uncertainty down to ±0.49
• weekend_pm-0.025uncertainty down to ±0.50

2026-08-28 12:48 · experiment 190

Post missed its baseline by 0.09σ. Moved: topic_cluster:topic_1 +0.006, format:vlog +0.004, hook_type:demo_first +0.004.

• topic_1+0.006uncertainty down to ±0.47
• vlog+0.004uncertainty down to ±0.49
• demo_first+0.004uncertainty down to ±0.49
• 4_10m+0.003uncertainty down to ±0.49
• text_dominant+0.003uncertainty down to ±0.48

2026-08-28 12:48 · experiment 189

Post missed its baseline by 0.88σ. Moved: topic_cluster:topic_2 -0.026, hook_type:question -0.023, format:vlog -0.022.

• topic_2-0.026uncertainty down to ±0.49
• question-0.023uncertainty down to ±0.49
• vlog-0.022uncertainty down to ±0.49
• 20m_plus-0.014uncertainty down to ±0.50
• text_dominant-0.014uncertainty down to ±0.48

2026-08-28 12:48 · experiment 188

Post beat its baseline by 0.62σ. Moved: format:list +0.024, hook_type:number_list +0.018, thumbnail_archetype:none +0.016.

• list+0.024uncertainty down to ±0.53
• number_list+0.018uncertainty down to ±0.48
• none+0.016uncertainty down to ±0.50
• topic_0+0.015uncertainty down to ±0.47
• under_60s+0.012uncertainty down to ±0.49

2026-08-28 12:48 · experiment 187

Post missed its baseline by 0.73σ. Moved: topic_cluster:topic_2 -0.021, format:shorts -0.021, publish_slot:weekend_pm -0.019.

• topic_2-0.021uncertainty down to ±0.49
• shorts-0.021uncertainty down to ±0.48
• weekend_pm-0.019uncertainty down to ±0.50
• 20m_plus-0.019uncertainty down to ±0.50
• contrarian-0.016uncertainty down to ±0.49

2026-08-28 12:48 · experiment 186

Post missed its baseline by 0.61σ. Moved: topic_cluster:topic_6 -0.026, format:shorts -0.022, hook_type:contrarian -0.020.

• topic_6-0.026uncertainty down to ±0.51
• shorts-0.022uncertainty down to ±0.49
• contrarian-0.020uncertainty down to ±0.49
• before_after-0.018uncertainty down to ±0.52
• weekend_pm-0.015uncertainty down to ±0.50

2026-08-28 12:48 · experiment 185

Post missed its baseline by 1.50σ. Moved: topic_cluster:topic_6 -0.045, length_bucket:20m_plus -0.028, thumbnail_archetype:object_hero -0.027.

• topic_6-0.045uncertainty down to ±0.51
• 20m_plus-0.028uncertainty down to ±0.51
• object_hero-0.027uncertainty down to ±0.50
• story_cold_open-0.024uncertainty down to ±0.48
• tutorial-0.024uncertainty down to ±0.47

2026-08-28 12:48 · experiment 184

Post missed its baseline by 0.18σ. Moved: topic_cluster:topic_4 -0.000, format:vlog -0.000, hook_type:claim -0.000.

• topic_4-0.000uncertainty down to ±0.49
• vlog-0.000uncertainty down to ±0.49
• claim-0.000uncertainty down to ±0.48
• weekday_am-0.000uncertainty down to ±0.48
• 1_4m-0.000uncertainty down to ±0.48

2026-08-28 12:48 · experiment 183

Post missed its baseline by 1.35σ. Moved: topic_cluster:topic_3 -0.046, publish_slot:weekday_late -0.043, thumbnail_archetype:none -0.035.

• topic_3-0.046uncertainty down to ±0.49
• weekday_late-0.043uncertainty down to ±0.53
• none-0.035uncertainty down to ±0.51
• claim-0.033uncertainty down to ±0.48
• 1_4m-0.029uncertainty down to ±0.48

2026-08-28 12:48 · experiment 182

Post beat its baseline by 2.03σ. Moved: topic_cluster:topic_5 +0.069, hook_type:question +0.052, thumbnail_archetype:before_after +0.052.

• topic_5+0.069uncertainty down to ±0.51
• question+0.052uncertainty down to ±0.50
• before_after+0.052uncertainty down to ±0.52
• 20m_plus+0.048uncertainty down to ±0.51
• shorts+0.042uncertainty down to ±0.49

2026-08-28 12:48 · experiment 181

Post beat its baseline by 1.48σ. Moved: topic_cluster:topic_6 +0.066, format:commentary +0.043, publish_slot:weekend_pm +0.039.

• topic_6+0.066uncertainty down to ±0.52
• commentary+0.043uncertainty down to ±0.49
• weekend_pm+0.039uncertainty down to ±0.51
• number_list+0.039uncertainty down to ±0.48
• under_60s+0.033uncertainty down to ±0.49

2026-08-28 12:48 · experiment 180

Post beat its baseline by 0.86σ. Moved: topic_cluster:topic_2 +0.030, length_bucket:20m_plus +0.028, hook_type:question +0.027.

• topic_2+0.030uncertainty down to ±0.50
• 20m_plus+0.028uncertainty down to ±0.51
• question+0.027uncertainty down to ±0.50
• none+0.021uncertainty down to ±0.51
• tutorial+0.020uncertainty down to ±0.47

2026-08-28 12:48 · experiment 179

Post missed its baseline by 0.88σ. Moved: topic_cluster:topic_2 -0.008, length_bucket:20m_plus -0.008, hook_type:claim -0.007.

• topic_2-0.008uncertainty down to ±0.50
• 20m_plus-0.008uncertainty down to ±0.52
• claim-0.007uncertainty down to ±0.48
• before_after-0.007uncertainty down to ±0.53
• commentary-0.007uncertainty down to ±0.50

2026-08-28 12:48 · experiment 178

Post beat its baseline by 0.46σ. Moved: topic_cluster:topic_7 +0.009, hook_type:demo_first +0.006, format:commentary +0.006.

• topic_7+0.009uncertainty down to ±0.51
• demo_first+0.006uncertainty down to ±0.49
• commentary+0.006uncertainty down to ±0.50
• 1_4m+0.005uncertainty down to ±0.49
• text_dominant+0.004uncertainty down to ±0.48

2026-08-28 12:48 · experiment 177

Post beat its baseline by 0.48σ. Moved: hook_type:question +0.021, thumbnail_archetype:object_hero +0.018, topic_cluster:topic_1 +0.017.

• question+0.021uncertainty down to ±0.51
• object_hero+0.018uncertainty down to ±0.50
• topic_1+0.017uncertainty down to ±0.48
• tutorial+0.016uncertainty down to ±0.47
• weekday_pm+0.011uncertainty down to ±0.47

2026-08-28 12:48 · experiment 176

Post missed its baseline by 1.02σ. Moved: thumbnail_archetype:before_after -0.048, topic_cluster:topic_0 -0.048, hook_type:question -0.029.

• before_after-0.048uncertainty down to ±0.53
• topic_0-0.048uncertainty down to ±0.47
• question-0.029uncertainty down to ±0.51
• under_60s-0.027uncertainty down to ±0.49
• weekday_am-0.026uncertainty down to ±0.48

2026-08-28 12:48 · experiment 175

Post missed its baseline by 0.56σ. Moved: topic_cluster:topic_6 -0.000, format:shorts -0.000.

• topic_6-0.000uncertainty down to ±0.53
• shorts-0.000uncertainty down to ±0.49

2026-08-28 12:48 · experiment 174

Post beat its baseline by 0.17σ. Moved: topic_cluster:topic_1 +0.000, format:shorts +0.000, hook_type:question +0.000.

• topic_1+0.000uncertainty down to ±0.48
• shorts+0.000uncertainty down to ±0.50
• question+0.000uncertainty down to ±0.51
• none+0.000uncertainty down to ±0.51
• under_60s+0.000uncertainty down to ±0.50

2026-08-28 12:48 · experiment 173

Post beat its baseline by 0.70σ. Moved: topic_cluster:topic_1 +0.015, format:commentary +0.015, hook_type:story_cold_open +0.013.

• topic_1+0.015uncertainty down to ±0.49
• commentary+0.015uncertainty down to ±0.50
• story_cold_open+0.013uncertainty down to ±0.49
• under_60s+0.011uncertainty down to ±0.50
• face_reaction+0.008uncertainty down to ±0.48

2026-08-28 12:48 · experiment 172

Post beat its baseline by 1.50σ. Moved: topic_cluster:topic_0 +0.039, length_bucket:under_60s +0.035, format:vlog +0.035.

• topic_0+0.039uncertainty down to ±0.48
• under_60s+0.035uncertainty down to ±0.50
• vlog+0.035uncertainty down to ±0.50
• weekend_pm+0.031uncertainty down to ±0.51
• contrarian+0.031uncertainty down to ±0.50

2026-08-28 12:48 · experiment 171

Post missed its baseline by 1.03σ. Moved: topic_cluster:topic_5 -0.040, length_bucket:20m_plus -0.037, publish_slot:weekend_pm -0.035.

• topic_5-0.040uncertainty down to ±0.52
• 20m_plus-0.037uncertainty down to ±0.52
• weekend_pm-0.035uncertainty down to ±0.51
• shorts-0.034uncertainty down to ±0.50
• number_list-0.029uncertainty down to ±0.49

2026-08-28 12:48 · experiment 170

Post missed its baseline by 0.79σ. Moved: topic_cluster:topic_6 -0.017, format:vlog -0.010, hook_type:number_list -0.008.

• topic_6-0.017uncertainty down to ±0.54
• vlog-0.010uncertainty down to ±0.50
• number_list-0.008uncertainty down to ±0.49
• 10_20m-0.007uncertainty down to ±0.48
• weekday_pm-0.006uncertainty down to ±0.47

2026-08-28 12:48 · experiment 169

Post beat its baseline by 1.33σ. Moved: topic_cluster:topic_5 +0.059, hook_type:demo_first +0.036, format:tutorial +0.030.

• topic_5+0.059uncertainty down to ±0.52
• demo_first+0.036uncertainty down to ±0.49
• tutorial+0.030uncertainty down to ±0.48
• weekday_am+0.025uncertainty down to ±0.49
• face_reaction+0.022uncertainty down to ±0.48

2026-08-28 12:48 · experiment 168

Post missed its baseline by 0.80σ. Moved: format:vlog -0.031, topic_cluster:topic_0 -0.024, hook_type:story_cold_open -0.023.

• vlog-0.031uncertainty down to ±0.50
• topic_0-0.024uncertainty down to ±0.49
• story_cold_open-0.023uncertainty down to ±0.49
• 10_20m-0.021uncertainty down to ±0.49
• weekday_pm-0.012uncertainty down to ±0.47

2026-08-28 12:48 · experiment 167

Post beat its baseline by 0.06σ. Moved: topic_cluster:topic_7 +0.002, length_bucket:4_10m +0.001, format:vlog +0.001.

• topic_7+0.002uncertainty down to ±0.52
• 4_10m+0.001uncertainty down to ±0.49
• vlog+0.001uncertainty down to ±0.51
• contrarian+0.001uncertainty down to ±0.50
• face_reaction+0.001uncertainty down to ±0.48

2026-08-28 12:48 · experiment 166

Post beat its baseline by 0.39σ. Moved: hook_type:contrarian -0.004, topic_cluster:topic_3 -0.004, publish_slot:weekend_pm -0.003.

• contrarian-0.004uncertainty down to ±0.50
• topic_3-0.004uncertainty down to ±0.50
• weekend_pm-0.003uncertainty down to ±0.52
• under_60s-0.003uncertainty down to ±0.50
• face_reaction-0.002uncertainty down to ±0.48

2026-08-28 12:48 · experiment 165

Post missed its baseline by 0.46σ. Moved: topic_cluster:topic_7 -0.027, publish_slot:weekday_late -0.018, format:interview -0.015.

• topic_7-0.027uncertainty down to ±0.53
• weekday_late-0.018uncertainty down to ±0.54
• interview-0.015uncertainty down to ±0.48
• 4_10m-0.014uncertainty down to ±0.50
• claim-0.014uncertainty down to ±0.49