Arousal And Attention Exam Fall 2017

Arousal and Attention Exam Fall 2017

Question 1)

People were tested under three conditions (1) sleep deprivation and noise, (2) sleep
deprivation and incentives, (3) noise and incentives.

a) Indicate how each factor (sleep deprivation, noise, incentives) affects arousal
(increase, decrease). (3p)

b) Draw two graphs one for an easy task, one for a hard task, that indicate the
relationship between arousal and performance. Don’t forget to label it correctly. (4p)

c) Indicate how the combination of the incentives named above (1), (2), (3), affect task
performance. (3p)

, Question 2)

Participants’ reaction time to a stimulus was tested under several different conditions: sleep
(sleep deprived, not sleep deprived), time of day (morning afternoon), stimulus quality
(intense, weak) and in different presentations (auditory, visual).

a) Indicate which factors are
interactive and which are
additive. (4p)

b) How are additive factors
and interactive factors
established according the
the additive factor theory?
(4p)

c) The effects of noise (signal
intensity) are supposed to
cancel out effects of sleep
deprivation, explain why
this is not the case in this
study.