Activity for the book
My Psychology
My Take: 3.1 Difference Threshold
View the
My Take
video and then answer the questions.
View the transcript
(Opens in new window)
Question 1
1
Which pioneers of psychophysics identified a law that states that the amount a stimulus must change before we can detect that change is proportional to the magnitude of the original stimulus?
Choice
A
,
Havingham and Ernst
Choice
B
,
Sperling and Gazzaniga
Choice
C
,
Weber and Fechner
Choice
D
,
Helmholtz and Young
Question 1
SUBMIT
Question 2
2
Chenix is used to drinking filtered water, and keeps a filtration pitcher in his refrigerator. His wife hates the expense of the filters, so she begins to tell him that she changed the filter when she hadn’t to save money. In order for Chenix to recognize the change in flavor of the water, the taste change would have to surpass his
________
blank
threshold.
Choice
A
,
absolute
Choice
B
,
mass
Choice
C
,
difference
Choice
D
,
distribution
Question 2
SUBMIT
Question 3
3
The difference threshold, also called the
just noticeable difference
, is the minimum change in a stimulus that is needed in order for that change to be detected
_____
blank
% of the time.
Choice
A
,
33
Choice
B
,
50
Choice
C
,
25
Choice
D
,
75
Question 3
SUBMIT
Question 4
4
Your Take!
Under what circumstances do you think that your difference threshold for a given stimulus would temporarily increase or decrease?
Question 4
SUBMIT