One of the principles of psychophysics is that changes in the physical environment are not always matched by equal changes perceptually. If Madison Wilson were changing an old drink by making it sweeter, what would psychophysics tell her?
A) She could make the drink twice as sweet by adding twice the amount of sugar.
B) She would need to research how the perception of "sweetness" changed by the amount of sugar added.
C) She would need to create promotions to tell customers how "sweet" the new drink is.
D) She would need to understand how people interpret the word "sweet."

Question

Quizplus · Accepted Answer

Psychophysics suggests that the relationship between the physical change (amount of sugar) and the perceived change (sweetness) is not always linear. Therefore, researching how sweetness perception changes with sugar amount is necessary.

One of the Principles of Psychophysics Is That Changes in the Physical