Cognitive Psychology Lecture 02 - Part 2 (Psychophysics)

Question 1

What is the concept of psychophysics?

Answer 1

Psychophysics, study of quantitative relations between psychological events and physical events or, more specifically, between sensations and the stimuli that produce them.

Question 2

What does absolute threshold mean?

Answer 2

An absolute threshold is the smallest amount of stimulation needed for a person to detect that stimulus 50% of the time. This can be applied to all our senses: The minimum intensity of light we can see. The lowest volume of a sound we can hear.

Question 3

What is the relative threshold?

Answer 3

The relative threshold method calculates C rt values for each individual amplification curve, and no information is needed from the other curves. The amplification curve is first set to a relative scale by setting the minimum relative fluorescence value to 0 and the maximum value to 1.

Question 4

What is Webers Law?

Answer 4

What does Weber’s law mean in psychology?

Question 5

What are thresholds in marketing?

Answer 5

The differential threshold in marketing is the point at which customers notice changes in price, features or other aspects of your product or service. There will be times when a business wants consumers to notice a change in what they offer, while other times, a company is trying to sneak something by its customers.

Question 6

What is the scaling approach?

Answer 6

In the social sciences, scaling is the process of measuring or ordering entities with respect to quantitative attributes or traits. For example, a scaling technique might involve estimating individuals’ levels of extraversion, or the perceived quality of products.