Removing on-screen chapter titles raised completion rate 10%.

Removing on-screen chapter titles raised completion rate 10%.
The big "Part 2: The Method" cards told viewers exactly where they were — and how much homework was left. Drop-offs clustered on every card.
Viewers who can see the map decide they've gotten the gist and leave. We hid the structure and let curiosity drive blind.
Signposting your video is signposting the exits. Fight me on it.