Recency Bias
- “why does the last candidate always win”
- “recency bias explained”
- “why do I forget the middle of the year”
- “judging by the most recent thing”
01 · Side by side
Side by side
Comparison sheet
| Aspect | Recency bias | Primacy effect |
|---|---|---|
| Favours | The last items | The first items |
| Mechanism | Short-term memory | Rehearsal |
| Survives delay | No | Yes |
| Best for | Immediate decisions | Later ones |
| Use it for | Immediate decisions | Lasting impressions |
02 · Which one you meant
Which one did you mean?
In shortReaders who land here meaning Recency Bias rather than Primacy effect are usually searching for phrases like “why does the last candidate always win”, “recency bias explained”, “why do I forget the middle of the year”.
Primacy Effect
- “why do first impressions stick”
- “primacy effect explained”
- “does order of information matter”
- “the first thing I heard framed everything”
03 · Which came first
Which came first
In shortPrimacy effect. 1885 — Hermann Ebbinghaus's self-experiments with nonsense syllables establish that recall accuracy depends on an item's position within a learned list — the observation that became the serial position effect.
- 1885
Primacy Effect. Hermann Ebbinghaus's self-experiments with nonsense syllables establish that recall accuracy depends on an item's position within a learned list — the observation that became the serial position effect.
- 1962
Recency Bias. Bennet Murdock maps the serial position curve in detail, finding a recency effect extending across roughly the last eight words of a list.
04 · Read either one
Read either one in full
05 · Tell these apart too