fast-and-slow thinking

noun
UK /ˌfɑːst ən ˈsləʊ ˈθɪŋkɪŋ/
US /ˌfæst ən ˈsloʊ ˈθɪŋkɪŋ/

Thinking fast is when you answer quickly, and thinking slow is when you take your time.

The teacher explained fast-and-slow thinking by showing how we sometimes guess and sometimes stop to figure things out.


OTHER MEANINGS

2. A way of describing two modes of the mind: one quick and automatic, the other slow and effortful.

In psychology class, we learned that fast-and-slow thinking helps explain why people make snap judgments.

3. The idea that good decisions often need both a quick first reaction and a slower second check.

Her fast-and-slow thinking saved time on the easy questions and accuracy on the hard ones.

4. A popular phrase for balancing instinct with careful analysis.

The coach talked about fast-and-slow thinking when teaching players to react quickly but review their choices.