Marketing, sales & UX laws · law 046
Serial Position Effect
Also known as: Primacy and recency effects
By Shivam Bhandari · Reviewed 31 October 2026 · How we write
what it means
People best remember the first and last items in a series, and tend to forget the middle.
How Serial Position Effect works
Primacy — the first items — get extra attention and rehearsal. Recency — the last items — are still fresh in memory. The middle gets lost.
Place your most important points at the start and end of pitches, pages, menus, and presentations.
where it comes from
First described by Hermann Ebbinghaus in his memory studies in the 1880s; B. B. Murdock's 1962 free-recall experiments showed the classic U-shaped curve.
Serial Position Effect examples in business
Sales pitches
A salesperson opens with the biggest benefit and closes with the strongest proof.
Navigation
Websites put the most important links at the left and right ends of the menu.
Interviews
Candidates seen first or last are often remembered more vividly.
How to apply it
- 1Put your strongest message first.
- 2Repeat or summarise it at the end.
- 3Move less important details into the middle.
- 4Be aware of order effects when you evaluate options or people.
common misreading
The middle is not worthless — it is just weaker in memory. Use it for supporting detail.
ask yourself
What do customers hear first and last in your pitch?
Frequently asked questions
What is Serial Position Effect?
People best remember the first and last items in a series, and tend to forget the middle. Primacy — the first items — get extra attention and rehearsal. Recency — the last items — are still fresh in memory. The middle gets lost.
Who came up with Serial Position Effect?
First described by Hermann Ebbinghaus in his memory studies in the 1880s; B. B. Murdock's 1962 free-recall experiments showed the classic U-shaped curve.
How do you apply Serial Position Effect in business?
1. Put your strongest message first. 2. Repeat or summarise it at the end. 3. Move less important details into the middle. 4. Be aware of order effects when you evaluate options or people.
What is a common misunderstanding of Serial Position Effect?
The middle is not worthless — it is just weaker in memory. Use it for supporting detail.