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 organization and interpretation of that sensory information.

Question 2

According to Weber's Law, which equation best represents the relationship between the just noticeable difference (JND) and the intensity of a stimulus?

Accepted Answer

$ \Delta I = kI $

Question 3

A person is holding a 2 kg weight and can just notice the addition of 0.2 kg. According to Weber's Law, what is the Weber fraction ($k$) for this scenario?

Accepted Answer

$ k = \frac{0.2}{2} = 0.1 $

Question 4

Which of the following is an example of sensory adaptation?

Accepted Answer

No longer noticing the feeling of your watch on your wrist after wearing it for a while.

Question 5

Signal detection theory is most relevant in which of the following real-world scenarios?

Accepted Answer

An air traffic controller monitoring a radar screen for blips indicating aircraft.

Question 6

What is the absolute threshold?

Accepted Answer

The smallest detectable amount of stimulation that can be perceived 50% of the time.

Question 7

Which of the following best illustrates the concept of perceptual constancy?

Accepted Answer

Recognizing your friend's face regardless of the lighting or angle.

Question 8

A person is exposed to a faint sound that they can only detect half the time. This sound is at their:

Accepted Answer

Absolute threshold

Question 9

Which Gestalt principle explains why we perceive a series of dots arranged in a line as a single unit?

Accepted Answer

Principle of continuity

Question 10

In a busy restaurant, you are able to focus on your friend's voice despite the background noise. This is an example of:

Accepted Answer

Selective attention

Question 11

Which of the following best describes bottom-up processing?

Accepted Answer

Constructing a whole perception from individual sensory components.

Question 12

A pharmacist can read a doctor's messy handwriting on a prescription due to their experience. This is an example of:

Accepted Answer

Top-down processing

Question 13

Which of the following is NOT a type of perceptual constancy?

Accepted Answer

Temporal constancy

Question 14

If you add one drop of red food coloring to 8 oz of water and it turns red, but need three drops for 24 oz, which law explains this phenomenon?

Accepted Answer

Weber's Law

Question 15

Which of the following best describes transduction in sensation?

Accepted Answer

The conversion of external sensory stimuli into neural impulses.

Question 16

A person fails to notice a change in the color of a wall while focusing on a conversation. This is an example of:

Accepted Answer

Inattentional blindness

Question 17

Which scenario best illustrates the concept of a just noticeable difference (JND)?

Accepted Answer

Noticing when the volume of music increases slightly while listening.

Question 18

Which of the following statements about subliminal information processing is TRUE?

Accepted Answer

It can have a brief, short-term impact on behaviors and attitudes.

Question 19

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

Accepted Answer

Principle of proximity

Question 20

A medical professional must detect a faint heartbeat among background noise. According to signal detection theory, which factor is NOT likely to influence their ability to detect the signal?

Accepted Answer

The color of their uniform

Sensation and Perception: Foundations and Principles (PSYC*1000 Week 4 Study Notes)

Study Guide - Practice Questions

Study Guide - Flashcards