PSYCHOLOGY OF EMOTIONS

THE PSYCHOLOGY OF EMOTIONS

STATES OF CONSCIOUSNESS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The principle that two stimuli must differ by a constant proportion for their difference to be perceived is known as ____
A
opponent process theory
B
feature detector
C
sensory interaction
D
Weber’s law
E
absolute threshold
Explanation: 

Detailed explanation-1: -Weber’s law, also called Weber-Fechner law, historically important psychological law quantifying the perception of change in a given stimulus. The law states that the change in a stimulus that will be just noticeable is a constant ratio of the original stimulus.

Detailed explanation-2: -Weber’s law: states that for an average person to perceive a difference, two stimuli must differ by a constant proportion, not a constant amount.

Detailed explanation-3: -Weber’s law is the principle that states that the just-noticeable difference between two stimuli is a function of the magnitude of the original stimulus. This means that the larger the original stimulus, the larger the just noticeable difference needs to be for it to be detected.

Detailed explanation-4: -Weber’s law states that two stimuli must differ by a constant percentage to be perceived as different.

Detailed explanation-5: -Weber’s Law states that the differential threshold or just-noticeable-difference (jnd) is proportional to the physical intensity of the stimulus. Fechner built up his logarithmic law of sensation intensity from Weber’s Law and the assumption that all jnds are subjectively equal.

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