PSY/CS330 Human Factors
01/11/2001
Day 1-25
Reaction Time: General - 2
uHistory - continued
lDonders Subtractive
Method
uThree Types of Trial
va reaction: Stimulus and response are always
the same.
vb reaction: More than one stimulus, each with
own response.
vc reaction: More than one stimulus, only one
of which has a response.
uThe subtraction
va reaction time = nervous system conduction from sensation to
motor response.
vc - a time = identification time. Why?
vb - c time = selection time. Why?