Psych Ch. 8 sect. 1

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  1. Sensation
    occurs when a stimulus activates a receptor
  2. Perception
    organization of sensory info. into meaningful experiences
  3. Psychophysics
    study of relationships between sensory experiences & the physcial experiences that cause them
  4. absolute threshold
    the weakest amount of a stimulus that a person can detect half the time
  5. difference threshold
    smallest change in a physical stimulus that can be detected between two stimuli
  6. Weber's law
    principle that the larger/stronger a stimulus, the larger the change required for an observer to notice a difference
  7. Signal-detection theory
    study of people's tendencies to make correct judgement in detecting the presence of stimuli

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Author:
Nordy911
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119181
Filename:
Psych Ch. 8 sect. 1
Updated:
2011-11-27 19:21:37
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psych test
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Sensation
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