PSYCHOLOGY OF EMOTIONS

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THE PSYCHOLOGY OF EMOTIONS

STATES OF CONSCIOUSNESS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Your roommate, who has trouble understanding Weber’s Law, asks you, “How different do two stimuli need to be, in order for a person to notice the difference?” You explain that:
A
the stimuli must differ by at least ten percent
B
the difference threshold decreases with the magnitude of the stimulus
C
the minimum difference needed for detection depends on the type of stimulus
D
Weber’s Law does not address this issue
Explanation: 

Detailed explanation-1: -Weber’s Law states that rather than a constant, absolute amount of change, there must be a constant percentage change for two stimuli to be perceived as different. In other words, the higher the intensity of a stimulus, the more it will need to change so we can notice a difference.

Detailed explanation-2: -Weber’s law states that two stimuli must differ by a constant percentage to be perceived as different.

Detailed explanation-3: -The difference threshold is the smallest difference in stimulation that can be detected 50 percent of the time. The difference threshold is sometimes called the just noticeable difference (jnd), and it depends on the strength of the stimulus.

Detailed explanation-4: -Weber’s law = the principle that, to be perceived as different, two stimuli must differ by a constant percentage (rather than a constant amount). Sensory adaptation = diminished sensitivity as a consequence of constant stimulation.

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