Question 1

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

Accepted Answer

Sensation is the detection of physical energy by sense organs, while perception is the process by which the brain organizes and interprets sensory information.

Question 2

According to Weber’s Law, if you can just notice the addition of 1 gram to a 10-gram weight, how much would you need to add to a 50-gram weight to notice a difference?

Accepted Answer

$$5$$ grams

Question 3

A person enters a cold lake and, after a few minutes, no longer feels as cold. This is an example of:

Accepted Answer

Sensory adaptation

Question 4

Which of the following scenarios best illustrates the concept of the absolute threshold?

Accepted Answer

Hearing a song only after the volume is increased to a certain level.

Question 5

Signal Detection Theory is especially relevant in which of the following real-world situations?

Accepted Answer

A radiologist examining X-rays for signs of cancer.

Question 6

The process by which sensory receptors convert external stimuli into neural signals is called:

Accepted Answer

Transduction

Question 7

Which Gestalt principle explains why we perceive a series of dots arranged in a curved line as a single, continuous shape?

Accepted Answer

Continuity

Question 8

A person fails to notice a clown walking through a basketball game because they are focused on counting passes. This is an example of:

Accepted Answer

Inattentional blindness

Question 9

Which of the following best illustrates top-down processing?

Accepted Answer

Reading a word with missing letters and still understanding its meaning.

Question 10

The Moon Illusion, where the moon appears larger near the horizon than when higher in the sky, is an example of:

Accepted Answer

A perceptual illusion

Question 11

Which of the following is NOT a Gestalt principle of perceptual organization?

Accepted Answer

Transduction

Question 12

If a person can detect a difference of 10 lumens in brightness at 500 lumens, what would Weber’s Law predict for the just noticeable difference at 2000 lumens?

Accepted Answer

$$40$$ lumens

Question 13

Which of the following best describes the binding problem in perception?

Accepted Answer

How the brain combines information from different sensory modalities into a unified experience.

Question 14

Which of the following is an example of perceptual constancy?

Accepted Answer

Seeing a door as rectangular even when it is partially open.

Question 15

Subliminal information processing refers to:

Accepted Answer

Processing sensory information below the level of conscious awareness.

Question 16

Which process allows us to attend to multiple senses at once?

Accepted Answer

Parallel processing

Question 17

A person is able to recognize their friend’s face in a crowd because of their past experiences and expectations. This is an example of:

Accepted Answer

Top-down processing

Question 18

Which of the following best describes the just noticeable difference (JND)?

Accepted Answer

The smallest change in a stimulus that can be detected 50% of the time.

Question 19

Which of the following is an example of selective attention?

Accepted Answer

Listening to your friend in a noisy restaurant while ignoring other conversations.

Question 20

Which principle explains why we group objects that are close together as belonging together?

Accepted Answer

Proximity

Sensation and Perception: Foundations and Principles

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