Anchoring Bias
- “why does the first price change what I'll pay”
- “anchoring in negotiation”
- “how numbers manipulate my judgment”
- “what is anchoring bias”
:: COMPARE ::
The short answer
Anchoring is about a reference point — usually a starting figure, and it pulls your estimate toward it. Framing is verbal — the same fact described as '90% survival' or '10% mortality' changes which option you pick. Anchoring shifts how much; framing shifts whether.
Side by side
| Aspect | Anchoring | Framing effect |
|---|---|---|
| Operates on | Numbers | Descriptions |
| Changes | Your estimate | Your choice |
| Needs relevance | No | No |
| Defence | Pre-commit a figure | Restate both ways |
Which one you meant
Readers who land here meaning Anchoring Bias rather than Framing effect are usually searching for phrases like “why does the first price change what I'll pay”, “anchoring in negotiation”, “how numbers manipulate my judgment”.
Which came first
Anchoring. 1974 — Tversky and Kahneman describe 'anchoring and adjustment'. A wheel of fortune was spun in front of participants to produce a number; they then estimated what percentage of African countries are in the UN. Those who saw 10 gave a median of 25%. Those who saw 65 gave 45%.
Read either one in full