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SJSU PSYC 158 Exam 1 Questions and Correct Verified Answers Latest Versio $11.49   Add to cart

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SJSU PSYC 158 Exam 1 Questions and Correct Verified Answers Latest Versio

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sensation initial processes of detecting and encoding environmental energy perception conscious experience of objects and their relationships (resulting from psychological processes in which meaning, relationships, context, judgment, past experience, and memory may play a role) -e.g., yo...

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  • October 14, 2024
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  • 2024/2025
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1 | P a g e | © copyright 2024/2025 | Grade A+




SJSU PSYC 158 Exam 1 Questions
and Correct Verified Answers Latest
Version
sensation


✓ initial processes of detecting and encoding environmental energy




perception


✓ conscious experience of objects and their relationships (resulting from

psychological processes in which meaning, relationships, context,

judgment, past experience, and memory may play a role)

✓ -e.g., your awareness of seeing a cat




Psychophysics


✓ the study of the quantitative relationship between physical properties

of the world and our psychological perception of these properties




Gustav Fechner




absolute threshold




Master01 | September, 2024/2025 | Latest update

, 1 | P a g e | © copyright 2024/2025 | Grade A+

✓ the smallest amount of stimulus energy necessary to detect a

stimulus•e.g., What is the dimmest light that you can detect?




psychometric function


✓ curve of percentage detection versus intensity




I. Method of Limits


✓ begin with undetectable stimulus; gradually increase intensity until

subject detects it (and vice versa)•



✓ subject responds yes or no



✓ below threshold, you would never detect



✓ above threshold, you would always detect





✓ absolute threshold is the intensity that is detected 50% of the time




II. Method of Adjustment



Master01 | September, 2024/2025 | Latest update

, 1 | P a g e | © copyright 2024/2025 | Grade A+

✓ •a variant of Method of Limits



✓ •start with undetectable stimulus



✓ •subject presses button to make stimulus stronger



✓ •stop when they detect the stimulus



✓ •(and vice versa - start with detectable and adjust until undetectable)




III. Method of Constant Stimuli


✓ •similar to Method of Limits, except stimuli are not presented in order of

strength (rather, random order)



✓ •subject does not know what change to expect




Difference Threshold




Master01 | September, 2024/2025 | Latest update

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