A New Toy Store with a Bright Yellow Sign Recently

question 17

Multiple Choice

A new toy store with a bright yellow sign recently opened near five-year-old Jeffrey's home.The first few times he was driven past it,he had no reaction to it.Then his parents took him to the store several times.Now,when Jeffrey is driven past the bright yellow sign,Jeffrey gets excited.According to Pavlov's theory of classical conditioning,the bright yellow sign is the

• A) unconditioned response.
• B) conditioned response.
• C) unconditioned stimulus.
• D) conditioned stimulus.

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Definitions:

Pupil

The black circular opening in the iris of the eye, which regulates the amount of light that enters the eye.

Iris

The colored part of the eye surrounding the pupil, controlling the amount of light that enters the eye by adjusting the size of the pupil.

Absolute Threshold

The minimum intensity of a stimulus that one can detect 50 percent of the time, a concept fundamental in sensory and perception studies.

Difference Threshold

The minimum difference in stimulation that a person can detect 50 percent of the time.