Levin: Change Blindness Blindness

Question 1

General setup

Answer 1

use videos with salient changes

Exp1: psychology class: 1.rate confidence about change detection

2. videos

Exp2: individual testing: 1. subject predict performance for zelf/others

2. predict performance for digit span tast (10digits)
3. videos

Question 2

Results and Conclusion

Answer 2

subjects generally overestimated change detection performance

explanations:

1. attending to “hits” more than to “misses”
   - > remember that one time you detected
2. general belief that perception is “direct”
3. changes that occured are so implausible that they are easily detected