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Mental Models

Ease, Mood, and Intuition

In the studies Kahneman describes, fluency and mood influenced judgments about whether words were connected. He links these effects to reliance on System 1, while the reported task results do not imply that a good mood makes every intuition more accurate.

THE IDEA

Ease, Mood, and Intuition

Around 1960, psychologist Sarnoff Mednick proposed that creativity is associative memory that works exceptionally well. He created the Remote Association Test (RAT), where participants find a common associate linking three words.

Example triads:

  • Cottage Swiss cake → cheese
  • Dive light rocket → sky
  • Dream ball book → no shared associate (unlinked)

German researchers found that people can intuitively guess whether a triad is linked within 2 seconds, often correctly, even without solving it. This suggests a faint signal from the associative machine. Manipulations that increase cognitive ease (priming, clear font, pre‑exposing words) also increase the tendency to see words as linked.

In the reported experiments, mood affected this intuition. Happy participants (induced by recalling pleasant events) more than doubled their accuracy. Unhappy participants performed at chance level. Good mood loosens System 2’s control, making people more intuitive and creative but also less vigilant and more prone to logical errors. Bad mood triggers vigilance, suspicion, and analytic effort.

The triad Salt deep foam (solution: sea) was associated with a slight smile, suggesting a mild positive response to coherence. Experiments that gave participants an alternative explanation for their pleasant feelings (e.g., music in headphones) eliminated the coherence intuition, supporting a role for the emotional response in the judgment.

This research shows that cognitive ease is both a cause and a consequence of pleasant feelings, linking good mood, intuition, creativity, and gullibility into one cluster, while bad mood, vigilance, suspicion, and analytic processing form another.

When to use it

  • Marketers can use clear fonts and familiar imagery to increase cognitive ease, leading to more favorable product evaluations.

  • Decision‑makers should be aware that a good mood may reduce critical scrutiny, while a bad mood may lead to excessive caution.

  • Educators can try a pleasant warm-up before brainstorming and observe whether it helps students make connections.

  • User‑interface designers can reduce cognitive load (ease) to improve usability and user satisfaction.

FROM THEORY TO EVERYDAY LIFE

In practice

01

Remote Association Test (RAT) – easy triad

Cottage Swiss cake → The common associate is cheese.

02

Remote Association Test (RAT) – hard triad

Dive light rocket → The common associate is sky (solved by less than 20% of students in 15 seconds).

03

Unlinked triad

Dream ball book → The test treats this set as unlinked, with no shared target associate.

04

Coherent triad evoking pleasure

Salt deep foam → The solution sea was associated with a subtle smile in the reported task, even without conscious recognition.

✳

A MOMENT TO REFLECT

Put it to work.

  1. How might your current mood be influencing your intuitive judgments right now?

  2. Can you recall a situation where a positive mood helped you see connections you otherwise would have missed?

  3. In what ways could a designer use cognitive ease to make a product feel more intuitive or trustworthy?

Connected ideas

Another lens can bring the same problem into focus.

References

  1. The Associative Basis of the Creative Process — Sarnoff Mednick (1962)

CONTINUE THE CONVERSATION

Source texts

  • Thinking, Fast and Slow (Daniel Kahneman)
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