Psychophysics Flashcards
1
Q
What does reductionism in science mean?
A
Measurable phenomena
2
Q
What is psychophysics?
A
The study of the relationship between physical stimuli and psychological effect
3
Q
What is Weber’s law?
A
The ratio of the just noticeable difference (JND) to the background intensity is constant
4
Q
What is the psychometric curve of Weber’s Law?
A
Characterises the relationship between a physical stimulus parameter and the probability to detect said difference
5
Q
What is the JND?
A
A fixed percentage of the stimulus level
6
Q
What 4 things are used to characterise detection peformance?
A
Hits, Misses, Correct rejections, false alarms