Factors Effecting Simple Reaction Time-2
u Reaction Time Stimulus Effects
l More intense stimuli lead to faster reaction times.
l Increased duration of stimuli lead to faster
reaction times.
l Auditory stimuli lead to slightly faster reaction
times.  Why?
u Foreperiod Effects
l For constant foreperiods, increases in duration
increase reaction times.
l For variable foreperiods, increases in duration
reduces reaction times.
l Why?   Expectancy.