Engineer strong endings for experiences and interactions

The last few moments of an experience have outsized influence on how it’s remembered — invest in endings.

Why it works

Memory for an experience is dominated by its peak and end; the ending is particularly controllable because it is the last available input to the memory trace. A strong ending doesn’t require the entire experience to be positive: Kahneman and Fredrickson’s colonoscopy study showed that adding a less-painful tail at the end improved retrospective ratings even though it extended total discomfort. This has direct implications for meetings, conversations, difficult sessions, and personal experiences: how something ends is the most practical lever for influencing the memory.

How to do it

1. Before ending any significant experience (meeting, difficult conversation, workout, presentation), plan the last two to three minutes deliberately.
2. End with something specific and positive: a clear summary, an expression of appreciation, a moment of relief or humor.
3. Avoid ending with unresolved problems, complaint, or information dumps — the last thing said has outsized memory weight.
4. For difficult experiences, taper rather than abrupt-stop: a few minutes of lighter content after the hardest part improves retrospective ratings.

Evidence

Redelmeier and Kahneman (1996) showed in a colonoscopy study that patients whose procedure was extended with a less-painful tail rated the overall experience as less bad, despite greater total discomfort — a direct demonstration of the ending effect. (rct)

The ending effect may be smaller for experiences with a very powerful peak, or for experiences where the person knows the ending is artificially managed — authenticity matters.

Sources

• Redelmeier & Kahneman (1996), Patients’ memories of painful medical treatments: Real-time and retrospective evaluations of two minimally invasive procedures, Pain

Common mistake

Spending all the design energy on the opening and middle of an experience and treating the ending as whatever happens to come last.