Chapter 1 Flashcards
1
Q
Who is Gustav Fechner?
A
Creator of psychophysics
2
Q
What is the two point threshold?
A
two points- how many do you feel? 2 or 1 sensation
3
Q
Difference Threshold
A
the minimum detectable difference in weight
4
Q
Weber’s Fractions
A
ratio rule- can always decet or recognize same increments 1-40 10-400
5
Q
What is Fechner’s law?
A
S=k log R
6
Q
Psychophysical Methods
-method of constant stimuli
A
-same stimuli different intensities -goal- find tiniest intensity that can be detected
7
Q
Method of Limits
A
plays sound or stimuli for least to greatest or least to greatest. sound check (can you hear this?)
8
Q
Method of adjustment
A
- subject changes stimuli themselves
