Video observation — synthetic exercise
Selected Y01/Y03; excluded Y02 (Short) and Y04 (outside window).
Y01: 2000 views / 1000 baseline = 2×, descriptive only. Baseline has 10 videos and is not age matched. No transcript or thumbnail review; no cause assigned.
Y03: statistics missing.
Research candidate: pricing-page storytelling, after reading the content.
No Notion writes or author contact.