Exam 17: Basic Principles of Sensation and Perception

Weber's law states that

We may perceive a bottle of fruit juice as less expensive when we are most thirsty. This best illustrates that perceptions are influenced by

Given normal sensory ability, a person standing atop a mountain on a dark, clear night can see a candle flame atop a mountain 30 miles away. This is a description of vision's

The horizon Moon appears to shrink in size if it is viewed through a narrow tube that eliminates the perception of distance cues. This best illustrates the importance of

The local fire department sounds the 12 o'clock whistle. The process by which your ears transform the sound waves from the siren into neural impulses is an example of

To those throwing a very heavy rather than a light object at a target, the target is likely to be perceived as

Giulio's bag of marbles is twice as heavy as Jim's. If it takes 5 extra marbles to make Jim's bag feel heavier, it will take 10 extra marbles to make Giulio's bag feel heavier. This best illustrates

________ processing refers to how our knowledge and expectations influence perception.

Which theory emphasizes that personal expectations and motivations influence the level of absolute thresholds?

Jennifer can tune her guitar more effectively than Maria because Jennifer is better at detecting whether specific strings are playing too sharp or too flat. With respect to tone sensitivity, Maria apparently has a ________ threshold than does Jennifer.

In experiments, an image is quickly flashed and then replaced by a masking stimulus that inhibits conscious perception of the original image. In these experiments, the researchers are studying the effects of

A perceptual set is a

Priming refers to the activation of certain

The study of relationships between the physical characteristics of stimuli and our psychological experience of them is called

A concept that helps us to interpret ambiguous sensations is called a

Concerning the evidence for subliminal stimulation, which of the following is the best answer?

Perception is the process by which

Which of the following influences perception?

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

Information processing guided by higher-level mental processes are called