Felt Notes Craft 08.26
Why every ad should end one second early
End your ad one beat before the audience expects, and the film keeps playing in their head after the screen goes dark. Psychology calls it the peak-end rule: people judge an experience by its most intense moment and its ending, not its average. Most ads pad their endings with logos and taglines until the feeling dies. We cut before it can.
What is the peak-end rule?
Research by Daniel Kahneman and colleagues found that people's memory of an experience is dominated by two moments: the emotional peak and the end. The middle mostly evaporates. For a 30 second commercial, that means the final second is not one thirtieth of the impression. It is closer to half of it. Whatever is on screen when the film ends is what the film becomes in memory.
Why does ending early work?
Unfinished things stay open in the mind. When a story resolves completely, the brain files it away and moves on. When it ends a beat early, on the glance instead of the kiss, on the door opening instead of what is behind it, the viewer's mind completes the ending itself. Completion is participation, and participation is memory. The ad the viewer finishes for you is the ad they remember.
What does this look like in a real cut?
Take the last shot you are proud of and remove the final second of it. Then remove the explanatory line that follows. If the film still makes sense, it just got better. In practice, almost every commercial we see in the wild ends twice: once when the story lands, and again when the logo lecture starts. The second ending erases the first. Our rule in the edit room is simple. The story gets the last word, and the logo gets one quiet moment after, not a speech.
Does this actually help performance?
Endings are where completion rates, brand recall, and rewatches are won, because they are the moment the viewer decides what the whole thing was. An ending that trusts the audience reads as confidence, and confidence is the most persuasive tone a brand can take. We would rather leave one second on the table than one feeling.
Questions
What is the peak-end rule in advertising?
A finding from psychology that people remember experiences by their emotional peak and their ending rather than their average, which makes an ad's final second disproportionately important to recall.
Should the logo appear at the end of a commercial?
Yes, briefly, after the story has ended. The mistake is letting logo and tagline become a second ending that talks over the feeling the film just created.