6/24/25, 2:16 PM PSYCH 230 exam 1 UIUC EXAM LATEST (2025) COMPLETE QUESTIONS With 100% Verified Solutions, Flashcards | Quizlet
PSYCH 230 exam 1 UIUC EXAM LATEST (2025)
COMPLETE QUESTIONS With 100% Verified
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Terms in this set (129)
The ability to detect a stimulus and perhaps turn that
Sensation
detection into a private experience
Perception The act of giving meaning to a detected sensation
The science of defining quantitative relationships
Psychophysics
between physical and psychological events
the minimum distance at which two stimuli are just
Two point threshold
perceptible as separate
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, 6/24/25, 2:16 PM PSYCH 230 exam 1 UIUC EXAM LATEST (2025) COMPLETE QUESTIONS With 100% Verified Solutions, Flashcards | Quizlet
Just Noticeable Difference the minimum difference necessary to tell two stimulus
(JND) apart
the minimum stimulation needed to detect a particular
Absolute threshold
stimulus 50 percent of the time
Larger stimulus values have greater JNDs, Smaller
Weber's Law
stimulus values have smaller JNDs
The magnitude of subjective sensation increases
Fechner's Law proportionally to the logarithm of the stimulus
intensity
The relation between physical intensity and
Stevens power law
psychological intensity is linear
many stimuli, ranging from rarely to almost always
Method of constant stimuli
perceivable are presented one at a time
The magnitude of a single stimulus or the difference
Method of limits between two stimuli is varied incrementally until the
participant responds differently
Similar to method of limits, but participant controls
Method of adjustment
the stimulus directly
the participant assigns values according to perceived
Magnitude Estimation
magnitudes of the stimuli
matches magnitude between two stimuli (ex: visual
Cross Modality Matching
and auditory)
A psychophysical theory that quantifies the response
of an observer to the presentation of a signal in the
Signal Detection Theory presence of a noise - distinction between an
observers ability to perceive a signal and willingness
to report it
Signal Detection Theory Stimulus is present and observer responds "yes"
Hit
Signal Detection Theory Stimulus is present and observer responds "no"
Miss
https://quizlet.com/1056613598/psych-230-exam-1-uiuc-exam-latest-2025-complete-questions-with-100-verified-solutions-flash-cards/?new 2/11
PSYCH 230 exam 1 UIUC EXAM LATEST (2025)
COMPLETE QUESTIONS With 100% Verified
Solutions,
Save
Get a feel for practice questions
Learn 1 /7 Study with Learn
Terms in this set (129)
The ability to detect a stimulus and perhaps turn that
Sensation
detection into a private experience
Perception The act of giving meaning to a detected sensation
The science of defining quantitative relationships
Psychophysics
between physical and psychological events
the minimum distance at which two stimuli are just
Two point threshold
perceptible as separate
https://quizlet.com/1056613598/psych-230-exam-1-uiuc-exam-latest-2025-complete-questions-with-100-verified-solutions-flash-cards/?new 1/11
, 6/24/25, 2:16 PM PSYCH 230 exam 1 UIUC EXAM LATEST (2025) COMPLETE QUESTIONS With 100% Verified Solutions, Flashcards | Quizlet
Just Noticeable Difference the minimum difference necessary to tell two stimulus
(JND) apart
the minimum stimulation needed to detect a particular
Absolute threshold
stimulus 50 percent of the time
Larger stimulus values have greater JNDs, Smaller
Weber's Law
stimulus values have smaller JNDs
The magnitude of subjective sensation increases
Fechner's Law proportionally to the logarithm of the stimulus
intensity
The relation between physical intensity and
Stevens power law
psychological intensity is linear
many stimuli, ranging from rarely to almost always
Method of constant stimuli
perceivable are presented one at a time
The magnitude of a single stimulus or the difference
Method of limits between two stimuli is varied incrementally until the
participant responds differently
Similar to method of limits, but participant controls
Method of adjustment
the stimulus directly
the participant assigns values according to perceived
Magnitude Estimation
magnitudes of the stimuli
matches magnitude between two stimuli (ex: visual
Cross Modality Matching
and auditory)
A psychophysical theory that quantifies the response
of an observer to the presentation of a signal in the
Signal Detection Theory presence of a noise - distinction between an
observers ability to perceive a signal and willingness
to report it
Signal Detection Theory Stimulus is present and observer responds "yes"
Hit
Signal Detection Theory Stimulus is present and observer responds "no"
Miss
https://quizlet.com/1056613598/psych-230-exam-1-uiuc-exam-latest-2025-complete-questions-with-100-verified-solutions-flash-cards/?new 2/11
