AP Psychology - Sensation and Perception

The principle that two stimuli must differ by a constant proportion for their difference to be perceived is known as...

• opponent process theory

• feature detector

• sensory interaction

• Weber's law

• absolute threshold

A person's diminished sensitivity to an unchanging stimulus is known as...

• accomodation

• parallel processing

• sensory adaptation

• transduction

• sensory equilibrium

a person typically fails to consciously perceive their own nose in their line of vision. This best illustrates...

• subliminal perception

• change blindness

• cocktail party effect

• selective attention

• visual cliff

While waiting in line at Starbucks, Kramer was playing games on his cell phone and subsequently failed to see the customer in front of him rob the cashier. This is an example of...

• inattentional blindness

• place theory

• blind spot

• feature detectors

• sensory adaptation

Although Bill was seated next to his friend, he was able to smell the burning popcorn a full minute earlier than his friend. Bill must have a lower _________ for smell.

• accommodation level

• absolute threshold

• tolerance level

• gustatory saturation level

• adaptation level

If you are expecting an important text message, you are much more likely to notice the sound as soon as the message arrives. This best illustrates...

• priming

• signal detection theory

• difference threshold

• absolute threshold

• Weber's law

Minimum difference between any two stimuli that a person can detect 50% of the time.

• Weber's Law
• Absolute threshold
• Difference threshold

The weakest level of a stimulus that can be correctly detected at least 50% of the time.

• opponent process theory
• absolute threshold
• perceptual constancy

Focusing conscious awareness on a particular stimulus. 

• selective attention
• Weber's Law
• parallel processing

Information processing that begins with sensory receptors and works up into the brain.

• top down processing
• subliminal processing
• bottom up processing