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

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

Accepted Answer

A constant proportion of the original stimulus intensity.

Question 6

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 smaller than the just noticeable difference for most consumers.

Question 7

Which scenario best illustrates the concept of selective attention?

Accepted Answer

Focusing on a conversation with a friend in a noisy restaurant while ignoring other conversations.

Question 8

A police officer fails to notice a fight occurring nearby while chasing a suspect. This is an example of:

Accepted Answer

Inattentional blindness

Question 9

Which of the following best describes the absolute threshold?

Accepted Answer

The minimum intensity of a stimulus that can be detected 50% of the time.

Question 10

Subliminal perception refers to:

Accepted Answer

The detection of stimuli below the absolute threshold for conscious awareness.

Question 11

Which of the following is a real-world example of change blindness?

Accepted Answer

Failing to notice when a friend gets a new haircut.

Question 12

Which process is most involved when you interpret a vague image based on your expectations and prior knowledge?

Accepted Answer

Top-down processing

Question 13

Which of the following best illustrates bottom-up processing?

Accepted Answer

Identifying an object by first detecting its basic features and then integrating them into a whole.

Question 14

A person is able to detect a candle flame 48 kilometers away on a clear, dark night. This scenario is an example of:

Accepted Answer

Absolute threshold

Question 15

If a person is exposed to a constant, unchanging stimulus, what is most likely to happen over time?

Accepted Answer

Their sensory receptors will become less responsive to the stimulus.

Question 16

Which of the following equations best represents Weber's Law?

Accepted Answer

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

Question 17

A person is listening to music at 40 dB. According to Weber's Law, if the JND for loudness is 5 dB at this level, what would the JND likely be if the music is increased to 80 dB?

Accepted Answer

10 dB

Question 18

Which of the following is NOT a function of attention in sensation and perception?

Accepted Answer

Increasing the absolute threshold for all stimuli.

Question 19

Which of the following best describes the cocktail party effect?

Accepted Answer

The ability to focus on a single conversation in a noisy environment.

Question 20

Which of the following is a practical implication of the just noticeable difference (JND) for product marketing?

Accepted Answer

Marketers make positive changes just above the JND so consumers notice improvements.

Sensation & Perception: Foundations and Applications

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