(See related pages)
After studying the chapter, you should be able to . . .
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Explain the need to devise a system to measure psychological experience. Discuss Fechner’s role in founding such a system: psychophysics. |
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Define absolute threshold and difference threshold. Explain Weber’s Law. |
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Describe each of Fechner’s three methods, and explain how each method is applied to the measurement of absolute and difference thresholds. Define psychometric function. |
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Compare the strengths and weaknesses of each of Fechner’s three methods. |
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Describe the staircase method, and explain what limitation of its parent method it addresses. |
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Describe the common modifications of the method of constant stimuli. |
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Describe the forced-choice method, and discuss its strengths and weaknesses. |
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Describe signal detection theory, and discuss its major strengths. |
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Describe the magnitude estimation technique, and compare it to the classical techniques. |
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Define psychophysical function, and discuss the Power Law. |
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Describe the application of multidimensional scaling to perception. |