Question 1

Which of the following best describes the process of transduction in sensation and perception?

Accepted Answer

The process by which sensory receptors convert physical energy from the environment into neural impulses.

Question 2

A researcher presents a faint sound to participants and records whether they report hearing it. The sound is adjusted so that it is detected 50% of the time. What is this point called?

Accepted Answer

Absolute threshold

Question 3

Which Gestalt principle explains why you perceive a series of dots arranged closely together as a single group?

Accepted Answer

Proximity

Question 4

A person is able to detect the difference between two weights only when the difference is at least 2 kg. This is an example of:

Accepted Answer

Difference threshold

Question 5

Which of the following scenarios best illustrates top-down processing?

Accepted Answer

Recognizing your friend in a crowd because you know what they look like.

Question 6

Which of the following is NOT a principle of Gestalt psychology?

Accepted Answer

Transduction

Question 7

A person is listening to music with supposed subliminal messages to improve memory. They report improved memory, but the tape actually contained no such messages. This improvement is most likely due to:

Accepted Answer

Placebo effect

Question 8

Which structure in the eye contains the highest concentration of cones and is responsible for sharp, central vision?

Accepted Answer

Fovea

Question 9

According to the trichromatic theory of colour vision, how do humans perceive different colours?

Accepted Answer

By the combined activity of three types of cones sensitive to short, medium, and long wavelengths.

Question 10

Which of the following best explains why you perceive a door as rectangular even when it is partially open and the image on your retina is trapezoidal?

Accepted Answer

Shape constancy

Question 11

A person is able to have a conversation with a friend at a noisy party by focusing on their friend's voice. This is an example of:

Accepted Answer

Selective attention

Question 12

Which of the following is a binocular cue for depth perception?

Accepted Answer

Retinal disparity

Question 13

Which of the following best describes the function of the cochlea in the auditory system?

Accepted Answer

It converts sound waves into neural impulses through transduction.

Question 14

Which of the following statements about rods and cones is TRUE?

Accepted Answer

Cones are responsible for colour vision and are concentrated in the fovea.

Question 15

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

Accepted Answer

Inattentional blindness

Question 16

Which of the following best describes the role of the vestibular system?

Accepted Answer

Sensing head position and movement for balance

Question 17

Which of the following is TRUE about the olfactory system?

Accepted Answer

Odour molecules can stimulate several receptors simultaneously, allowing us to detect about 10,000 odours.

Question 18

Which of the following best describes the difference between fast and slow pain fibres?

Accepted Answer

Fast fibres register sharp, immediate pain; slow fibres register chronic, dull pain.

Question 19

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

Accepted Answer

Perceiving a melody by first hearing individual notes.

Question 20

Which of the following best describes the function of kinesthesis?

Accepted Answer

Sensing the position and movement of the body

Sensation and Perception: Foundations of Psychological Science

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