PSYO 315 Midterm 1 (ch 1-3) questions n
answers graded A+
transduction - correct answer ✔✔the process of transforming energy in the environment into electrical
energy in the neurons is __________
threshold - correct answer ✔✔___________ is the minimum amount of energy required for someone to
perceive something
psychophysics - correct answer ✔✔Fechner coined the term _____________
threshold - correct answer ✔✔the ______________ is determined by the average of all the cross over
points
limits - correct answer ✔✔in the method of ________ the presenter presents stimuli in either ascending
or descending order
average ; cross over - correct answer ✔✔when using the method of limits the threshold is determined
by calculating the _______ of the ________ _________ points
absolute threshold - correct answer ✔✔the smallest stimulus level that can be detected
difference threshold - correct answer ✔✔the smallest difference between 2 stimuli that enables us to
tell the difference between them
continuous - correct answer ✔✔the difference between the method of limit and the method of
adjustment is that in the method of adjustment stimulus intensity is changed in a __________ manner
the method of constant stimuli - correct answer ✔✔of the 3 classical psychophysical methods, the
method of ________ __________ is the most accurate
, stand stimulus ; value - correct answer ✔✔1st step in magnitude procedure is to present pp with
________ ________ and assign a _________ to that stimulus
response compression - correct answer ✔✔when doubling the intensity does not double the perceived
brightness, this is called ______ _________
response expansion - correct answer ✔✔increasing the intensity from 20 - 40 increases the shock
magnitude from 6 to 49 is called _______ _________
exponents less than 1.0 - correct answer ✔✔_________________ are associated with response
compression
exponents greater than 1.0 - correct answer ✔✔__________________ are associated with response
expansion
3.5 - correct answer ✔✔an exponent for shock is _____
800 - correct answer ✔✔nerve fibre cannot fire more than _________ impulses/second
sensitivity ; noise ; response criterion - correct answer ✔✔According to signal detection theory our
response to a stimulus depends both on our __________ to the stimulus in the presence of
___________ and on our ____________ ___________
above - correct answer ✔✔scaling procedures such as magnitude estimation are used primarily to
measure perception ________ threshold
expansion - correct answer ✔✔if the exponent of the power function is greater than 1 this means that
response ________ is happening
compression - correct answer ✔✔if the exponent of the power function is smaller than 1 this means that
response _______ is happening
answers graded A+
transduction - correct answer ✔✔the process of transforming energy in the environment into electrical
energy in the neurons is __________
threshold - correct answer ✔✔___________ is the minimum amount of energy required for someone to
perceive something
psychophysics - correct answer ✔✔Fechner coined the term _____________
threshold - correct answer ✔✔the ______________ is determined by the average of all the cross over
points
limits - correct answer ✔✔in the method of ________ the presenter presents stimuli in either ascending
or descending order
average ; cross over - correct answer ✔✔when using the method of limits the threshold is determined
by calculating the _______ of the ________ _________ points
absolute threshold - correct answer ✔✔the smallest stimulus level that can be detected
difference threshold - correct answer ✔✔the smallest difference between 2 stimuli that enables us to
tell the difference between them
continuous - correct answer ✔✔the difference between the method of limit and the method of
adjustment is that in the method of adjustment stimulus intensity is changed in a __________ manner
the method of constant stimuli - correct answer ✔✔of the 3 classical psychophysical methods, the
method of ________ __________ is the most accurate
, stand stimulus ; value - correct answer ✔✔1st step in magnitude procedure is to present pp with
________ ________ and assign a _________ to that stimulus
response compression - correct answer ✔✔when doubling the intensity does not double the perceived
brightness, this is called ______ _________
response expansion - correct answer ✔✔increasing the intensity from 20 - 40 increases the shock
magnitude from 6 to 49 is called _______ _________
exponents less than 1.0 - correct answer ✔✔_________________ are associated with response
compression
exponents greater than 1.0 - correct answer ✔✔__________________ are associated with response
expansion
3.5 - correct answer ✔✔an exponent for shock is _____
800 - correct answer ✔✔nerve fibre cannot fire more than _________ impulses/second
sensitivity ; noise ; response criterion - correct answer ✔✔According to signal detection theory our
response to a stimulus depends both on our __________ to the stimulus in the presence of
___________ and on our ____________ ___________
above - correct answer ✔✔scaling procedures such as magnitude estimation are used primarily to
measure perception ________ threshold
expansion - correct answer ✔✔if the exponent of the power function is greater than 1 this means that
response ________ is happening
compression - correct answer ✔✔if the exponent of the power function is smaller than 1 this means that
response _______ is happening
