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(e.g., two simultaneous touches) can be distinguished? •Two-point threshold •Paperclip demo C. Measuring perception: Absolute thresholds •What is the softest sound, the lightest touch, the faintest light, smell or taste? •What is the absolute threshold of sensory stimulation needed for use to detecta stimulus? •3 methods for measuring absolute thresholds Method of constant stimuli Method of limits Method of adjustment C. Measuring perception: Absolute thresholds 1.Method of constant stimuli: Many stimuli, ranging from rarely to almost always perceivable, are presented one at a time in variable order. Trial 1
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