Question 1

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

Accepted Answer

Sensation is the process by which our sensory receptors and nervous system receive and represent stimulus energies, while perception is the process of organizing and interpreting sensory information.

Question 2

A person is able to detect the difference between two weights only when the second weight is at least 2% heavier than the first. Which psychological principle does this illustrate?

Accepted Answer

Weber's law

Question 3

Which scenario best exemplifies top-down processing?

Accepted Answer

Reading a word with jumbled letters but recognizing it because the first and last letters are in place.

Question 4

According to signal detection theory, which factor does NOT influence whether a stimulus is detected?

Accepted Answer

The color of the stimulus

Question 5

If a person is exposed to a stimulus below their absolute threshold and later makes a choice influenced by that exposure, what psychological phenomenon is this?

Accepted Answer

Priming

Question 6

Which equation best represents Weber's law for just noticeable difference ($$JND) in $$stimulus intensity?

Accepted Answer

$$JND = k \times I$$

Question 7

A student is listening to music while studying. After a while, they stop noticing the background music. What psychological concept does this illustrate?

Accepted Answer

Sensory adaptation

Question 8

Which of the following is an example of perceptual set influencing perception?

Accepted Answer

A person who expects to see a duck in an ambiguous image is more likely to perceive a duck.

Question 9

Which of the following best describes bottom-up processing?

Accepted Answer

Taking sensory information and assembling and integrating it to form a perception.

Question 10

A person is more likely to perceive a hill as steeper when they are tired or carrying a heavy backpack. This is an example of:

Accepted Answer

Perceptual set influenced by motivation and emotion

Question 11

Which of the following statements about absolute threshold is correct?

Accepted Answer

It is the minimum level of stimulus intensity needed to detect a stimulus half the time.

Question 12

Which concept explains why you may not notice the feeling of your watch on your wrist after wearing it for a while?

Accepted Answer

Sensory adaptation

Question 13

A person is shown a series of images that subtly suggest a particular outcome. Later, they are more likely to choose that outcome. This is an example of:

Accepted Answer

Subliminal priming

Question 14

Which of the following is NOT a factor in signal detection theory?

Accepted Answer

The color of the stimulus

Question 15

If a person is able to detect a difference in pitch only when the second tone is at least 5% higher than the first, which law does this illustrate?

Accepted Answer

Weber's law

Question 16

Which of the following best illustrates the context effect on perception?

Accepted Answer

The center dot appears larger when surrounded by smaller dots.

Question 17

Which formula would you use to calculate the just noticeable difference ($$JND) $$for a stimulus according to Weber's law?

Accepted Answer

$$JND = k \times I$$

Question 18

A person is more likely to perceive a desired object as closer than it actually is. This is an example of:

Accepted Answer

Motivation influencing perceptual set

Question 19

Which of the following is an example of bottom-up processing?

Accepted Answer

Identifying a new object by assembling sensory information without prior knowledge.

Question 20

Which concept explains why a person may interpret an ambiguous image differently depending on their prior experiences?

Accepted Answer

Perceptual set

Sensation and Perception: Basic Concepts and Processes

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