Prashanth is participating in a psychology experiment in which he is asked to gradually shrink the image of a square on his computer screen until he can see that it is smaller than a second square on the screen.Prashanth is trying to create a difference in order to allow measurement of an) threshold.
A)just noticeable; absolute
B)psychophysical; absolute
C)just noticeable; difference
D)psychophysical; difference

Question

Quizplus · Accepted Answer

Prashanth is trying to find the point at which he can perceive a difference between the size of the two squares. This is called the just noticeable difference threshold. Therefore, the correct choice is C: just noticeable; difference.

Prashanth Is Participating in a Psychology Experiment in Which He