Question 1

Which of the following best describes the difference between sensation and perception?

Accepted Answer

Sensation is the detection of physical energy by sensory organs, while perception is the interpretation of that sensory data by the brain.

Question 2

A person with prosopagnosia is most likely to have difficulty with which of the following tasks?

Accepted Answer

Recognizing familiar faces, even though their vision is otherwise intact.

Question 3

Transduction in the sensory system refers to:

Accepted Answer

The conversion of physical energy into neural impulses.

Question 4

Which of the following is an example of sensory adaptation?

Accepted Answer

No longer noticing the smell of perfume after being in a room for a while.

Question 5

The absolute threshold is best defined as:

Accepted Answer

The minimum intensity of a stimulus that a person can detect 50% of the time.

Question 6

According to Weber's Law, the just noticeable difference (JND) between two stimuli:

Accepted Answer

Is a constant proportion relative to the intensity of the first stimulus.

Question 7

A marketer wants to reduce the size of a chocolate bar without customers noticing. According to the concept of JND, what should the marketer do?

Accepted Answer

Make the size reduction just below the just noticeable difference (JND) threshold.

Question 8

Which scenario best illustrates the cocktail party effect?

Accepted Answer

Hearing your name mentioned across a noisy room and immediately focusing on that conversation.

Question 9

A driver fails to notice a pedestrian crossing the street because they are focused on their phone. This is an example of:

Accepted Answer

Inattentional blindness

Question 10

Which of the following best describes bottom-up processing?

Accepted Answer

Perception that begins with sensory input and builds up to complex perceptions.

Question 11

A person is shown a series of images with a hidden word flashed too quickly to be consciously seen. This is an example of:

Accepted Answer

Subliminal perception

Question 12

Which of the following is NOT a monocular depth cue?

Accepted Answer

Convergence

Question 13

The trichromatic theory of color vision proposes that:

Accepted Answer

The retina contains three types of cones sensitive to red, green, and blue light.

Question 14

Which of the following best explains why a green apple appears green under both sunlight and indoor lighting?

Accepted Answer

Color constancy

Question 15

Damage to the hair cells in the cochlea is most likely to result in:

Accepted Answer

Nerve deafness

Question 16

Which of the following best illustrates perceptual set?

Accepted Answer

Expecting to see a friend in a crowd and mistakenly identifying a stranger as your friend.

Question 17

A person is able to respond to visual stimuli without consciously experiencing vision, due to damage in the visual cortex. This phenomenon is known as:

Accepted Answer

Blindsight

Question 18

Which of the following best describes the McGurk effect?

Accepted Answer

A perceptual phenomenon where visual information influences auditory perception of speech.

Question 19

Which formula best represents Weber's Law for the just noticeable difference (JND)?

Accepted Answer

$ \frac{\Delta I}{I} = k $

Question 20

A person is shown two nearly identical images and fails to notice that a small object has been removed from one of them. This is an example of:

Accepted Answer

Change blindness

Sensation & Perception: Foundations and Applications

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