Question

The principle that, to be perceived as different, two stimuli must differ by a constant minimum percentage rather than a constant amount is called:__________
1. sensory interaction.
2. the difference principle.
3. the opponent-process theory.
4. Weber's law.

Answer 1

Answer:

4. Weber's law.

Explanation:

Based on the information provided within the question it can be said that the principle that is being described in this scenario is known as Weber's law. This principle (like mentioned in the question) calculates the minimum proportion amount as to which stimulus intensity must be changed in order to produce a noticeable difference.