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Measuring Experiences (Measurements (Psychophysics (Present a stimulus and…
Measuring Experiences
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Terms
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Materialism
The idea that the only thing that exists is matter, and that all thing, including the mind and consciousness are the result of interaction between bits of matter
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Fourier analysis
A mathematical procedure in which signals are separated into component sine waves at different frequencies
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Perceptual process
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Recognition
Interaction with memory, context information
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Laws
Fechner
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As the stimulus intensity changes, you need larger changes in intensity to be able to perceive the stimulus as being different
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Weber
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The principle describing the relationship between stimulus and resulting sensation says the JND is a constant fraction of the comparison stimulus
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Method of limits
Tones are presented in order of increasing or decreasing order, participant respond when they first register the stimulus or when they stop registering it
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Steven's Power Law
The magnitude of subjective sensation is proportional to the stimulus magnitude raised to an exponent
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Magnitude estimation
A psychophysical method in which the participant assigns values according to perceived magnitudes of the stimuli
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