Ch. 9
2 of 1 ·Only Seeing What Fits
Chapter 9 · Biases and Mind Traps
Lesson 2 · Biases and Mind Traps
Only Seeing What Fits
Search for disconfirming evidence, not only supportive examples.
Easy~25 minFree preview
Concept
Confirmation bias protects an existing belief
We naturally notice, remember and search for evidence that fits what we already think. A fair investigation gives the opposite possibility a real chance to succeed.
Example
The lucky pen
Click to zoomIllustration supporting The lucky penA learner remembers three good tests written with one pen and forgets the ordinary results. Recording every test—including failures—creates a fairer picture.