Psychology Quiz 8-1

The study of people's tendencies to make correct judgments in detecting the presence of stimuli is known as:

• Sensation

• Absolute threshold

• Signal-detection theory

• Perception

What occurs when a stimulus activates a receptor?

• Sensation

• Absolute threshold

• Signal-detection theory

• Perception

The organization of sensory information into meaningful experiences is called:

• Sensation

• Absolute threshold

• Signal-detection theory

• Perception

The smallest change in a physical stimulus that can be detected between two stimuli half the time is known as:

• Sensation

• Absolute threshold

• Signal-detection theory

• Difference threshold

The weakest amount of a stimulus that a person can detect half the time is called:

• Sensation

• Absolute threshold

• Signal-detection theory

• Perception

________ may be combined with past experience to yield a perception.

• Stimuli

• Sensations

• Receptors

• Environmental changes

The study of the relationship between sensory experiences and the physical stimuli that cause them is called:

• Signal-detection theory

• Psychoanalysis

• Psychophysics

• Psychokinesis

The smallest increase or decrease in the intensity of a stimulus that a person can detect is the:

• Absolute threshold

• Difference threshold

• Just noticeable difference

• None of the above

The method for extracting information automatically from a stimulus is the:

• Attentive process

• Preattentive process

• Just noticeable difference

• Stroop effect

The principle that the larger or stronger a stimulus, the larger the change required for an observer to notice a change is called:

• The absolute threshold

• The just noticeable difference

• Weber's law

• The Stroop effect