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PYSC 102,158 QUESTIONS AND ANSWERS [package]
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---4October 2024
- Psychophysicsthe study of relationships between the physical characteristics of 
stimuli, such as their intensity, and our psychological experience of them 
 
absolute thresholdthe minimum stimulation needed to detect a particular stimulus 
50 percent of the time; ex. How far away a candle has to be until you can't smell it 
anymore 
 
method o
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Exam (elaborations)
PSYC-158 Perception Exam 1 questions and answers
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--10October 20242024/2025A+Available in bundle
- PSYC-158 Perception Exam 1 
questions and answers 
What is an Absolute Threshold, what is the threshold for any sense, how does it 
differ from JND?Minimum amount of stimulation necessary for a person to detect 
a stimulus 50% of the time. 
 
Just noticeable difference is the smallest detectable difference between two stimuli, 
or the minimum change in a stimulus that can be correctly judged as different from a 
reference stimulus; also known as difference threshold. 
 
What is the Jus...
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