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Stimulus intensity and the sensory intensity o s k

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Unformatted text preview: esent in the larger population o type I error • statistics limits our possibility of finding a difference when one does not really exists (95% confidence) How did it begin • Psychophysics (19th C) • Weber’s law • Δ I / I = k o Δ I is the increase in the physical stimulus needed to be “just” different o I is the starting level of the stimulus • led to the te...
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