SIGNAL//SYNTH
Science

The Reasoning Test Psychologists Still Can't Explain

aired Apr 20, 2026 · 62.0m
Signal
65.0/ 100
Solid
confidence 0.90
Orig65.0
Actn50.0
Dens70.0
Dpth60.0
Clty75.0
Summary

The Wasson selection task, a reasoning test developed in 1966, reveals that only about 4% of participants can correctly identify the necessary cards to validate a conditional rule. This test has been extensively studied, highlighting the complexities of human reasoning and how context can significantly influence performance. The episode also discusses variations of the test that demonstrate how framing can lead to different outcomes in reasoning tasks.

Why listen

Listeners will gain a deeper understanding of the complexities of human reasoning and the factors that influence our decision-making processes.

Key takeaways
  1. 01The Wasson selection task is one of the most researched problems in the psychology of reasoning, with a low success rate among participants.
  2. 02Context and framing can drastically change how people approach reasoning tasks, as shown by variations of the original test.
  3. 03Understanding the psychology behind reasoning tests can provide insights into human cognition and decision-making processes.
Best for
curious generalists