Question

In: Psychology

Distinguish between absolute threshold and the just noticeable difference and provide an example of each.

Distinguish between absolute threshold and the just noticeable difference and provide an example of each.

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Expert Solution

DISTINGUISHING BETWEEN ABSOLUTE THRESHOLD AND JUST NOTICEABLE DIFFERENCE

Absolute threshold and the just noticeable difference (both) concerns human sensation experienced by individuals when they sense any stimulus around them.

  1. Absolute threshold if the minimum limit or intensity of any particular stimulus that an individual experiences or notices 50% of the times with his or her senses. An example of absolute threshold is when an individual goes for a hearing test or she may listen to two tones that have differing intensities.
  2. However, just noticeable difference or a difference threshold is the concept that involves understanding of how two stimuli are different from each other which means that how much difference there should be between the two stimuli (needed by an individual) to notice the difference among them.
  3. The concept of absolute threshold was given by Weber who conducted ad to detect the minimum required by an individual to experience the stimuli this concept can be applied for developing various food items example to establish the level of chilli required in a food dish is tested to detect whether the customers will be able to sense the taste of the chilli.
  4. The concept of difference threshold was given by Gustav Fechner who said that there should be a difference in the intensity of the to stimuli to detect whether they are different this concept is often applied to marketing so that best method of improving the product can be determined, for instance, changing the packaging of a product may make it more attractive for customers which depicts that they may notice the difference in the product supplied by a particular company.
  5. Thus, an absolute threshold determines the minimum intensity of a particular stimulus for sensation difference, the difference intensity needed to discriminate between two stimuli. The absolute threshold concept is based on the lowest intensity, whereas, the difference threshold is based on the lowest difference between two stimuli that a person can sense.

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