psychophysics

Question 1

Mnemonic

Answer 1

What the- Weber
Fuck- Fechner’s
Shehroo- Steven’s

Question 2

Weber

Answer 2

Perceived change is proportional to the original stimulus. the more intense the stimulus the greater the increase in intensity needed to produce a just noticeable difference

Question 3

Feschners

Answer 3

physical stimulus changes are logarithmically related to their physiological sensations

Question 4

Steven’s

Answer 4

sensation is an exponential function of stimulus intensity