Question 1

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

Accepted Answer

The conversion of physical energy from the environment into neural impulses by sensory receptor cells.

Question 2

A person is able to detect a candle flame from 30 km away on a clear night. This scenario is best explained by which concept?

Accepted Answer

Absolute threshold

Question 3

Which theory explains colour perception by stating that the eye contains three types of cones sensitive to red, green, and blue?

Accepted Answer

Trichromatic theory

Question 4

A person fails to notice a gorilla walking through a basketball game while counting passes. This is an example of:

Accepted Answer

Inattentional blindness

Question 5

Which of the following best illustrates Weber’s Law?

Accepted Answer

The just noticeable difference between two stimuli is a constant proportion of the original stimulus.

Question 6

If a person can hear a sound only when its intensity is above a certain level, this level is referred to as:

Accepted Answer

Absolute threshold

Question 7

Which of the following is NOT a function of rods in the retina?

Accepted Answer

Colour perception

Question 8

A person is unable to recognize familiar objects despite having intact vision. This condition is known as:

Accepted Answer

Visual agnosia

Question 9

Which of the following best describes sensory adaptation?

Accepted Answer

The decrease in sensitivity to a constant stimulus over time.

Question 10

According to the opponent process theory, which pair of colours are considered opponent pairs?

Accepted Answer

Red and green

Question 11

Which of the following is an example of top-down processing?

Accepted Answer

Using prior knowledge to interpret ambiguous sensory information.

Question 12

A person is able to perceive the same colour of an object under different lighting conditions. This phenomenon is called:

Accepted Answer

Colour constancy

Question 13

Which of the following best describes the function of the cochlea in hearing?

Accepted Answer

Contains hair cells that convert vibrations into neural signals.

Question 14

Which sense is responsible for balance and body awareness?

Accepted Answer

Vestibular

Question 15

A person is unable to detect changes in their environment, such as a new haircut on a friend. This is an example of:

Accepted Answer

Change blindness

Question 16

Which of the following is a real-world example of context effects on perception?

Accepted Answer

Perceiving a driver’s actions differently when you are a pedestrian versus when you are driving.

Question 17

Which formula represents Weber’s Law for the just noticeable difference (JND) between two stimuli?

Accepted Answer

$$ \Delta I / I = k $$

Question 18

Which of the following best describes the role of selective attention?

Accepted Answer

Focusing on a specific aspect of sensory input while ignoring other stimuli.

Question 19

Which of the following is an example of how emotions can sway perception?

Accepted Answer

Listening to sad music and perceiving neutral events as more negative.

Question 20

A person is presented with two tones: one at 100 Hz and another at 105 Hz. If the just noticeable difference (JND) for sound frequency is 5 Hz, what is the value of $$k in $$Weber’s Law for this scenario?

Accepted Answer

$$ k = 0.05 $$

Sensation and Perception: Foundations of Psychological Experience

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