Zusammenfassung der Ressource
49. For People to Pay
Attention to Something, They
Must First Perceive it
- signal detection theory
- stimulus present
- if detected it's consider a hit
- if not detected it's a miss
- stimulus not present
- if detected is a false alarm
- if not detected this is correct
- sensitivity and bias
- if you're expecting something you are
more likely to have a false alarm
- if you're not expecting
something you are more
likely to miss
- if the stimulus is large enough you are more likely to hit it
- senses
- sight
- if you are in total
darkness you can see a
candle 30 miles away
- smell
- you can smell a drop
of perfume in 800 sq
feet space
- sound
- in a quiet room you can
hear a watch ticking 20
feet away
- touch
- you can feel a human hair on your skin
- taste
- you can taste a teaspoon of
sugar in 2 gallons of water