In the Nineteenth Century, a Psychophysicist Named Ernst Weber Found

question 75

Multiple Choice

In the nineteenth century, a psychophysicist named Ernst Weber found that:

• A) for each stimulus there is an equal but opposite reaction
• B) the amount of change that is necessary for a stimulus to be noticed is systematically related to the intensity of the original stimulus itself
• C) increasing the amount of stimulus will lead to adaptation
• D) the ratio between stimulus and response is a fixed proportion
• E) Solomon's Law was valid

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Definitions:

Retinal Disparity

The difference in visual images that each eye perceives because of the eyes' different angles, providing a cue to depth perception.

Perception

The process individuals employ to sort and interpret the sensations they perceive to provide meaning to their external world.

Figure-ground

A principle in perception that describes how the visual field is organized into objects (the figures) that stand out from their surroundings (the ground).

Floating Ship

An optical illusion that makes ships appear to float above the horizon due to specific atmospheric conditions distorting light.