PSY270H1 Study Guide - Detection Theory, Stim, Absolute Threshold

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19 Aug 2012
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PSY270H1 Full Course Notes
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PSY270H1 Full Course Notes
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Psyp relationship between stim and perception how we actually see things perception input stimulus, example which one sweeter. Founder bc how perception study of the mind be investigated by evifence based approach. What is measure of detection of stim detection. Abs thr 50 perc proabbilty detect it, 50 see or hear vs 50 don"t see or hear. Or smallest amount of sound pressure can sense. Hyo is all or nothing, until reach respond no and then yes staircase function. Reality 4. 5 50 say yes and other say no. Towards the end high or low greater not and detetcting. Perception not all or nothing more of a curved function as more intense the proabbilty increases. What is threshold needed to detect a sensation or stim. Bc giving part a standard set and keep on showing random intervals. Give them predefined light intensity and present 10 times and randomly and have respoind yes or no and compute average.