![]() The task can be described as one of information transmission: The input consists of one out of n possible stimuli, and the output consists of one out of n responses. Performance is nearly perfect up to five or six different stimuli but declines as the number of different stimuli increases. ![]() In a one-dimensional absolute-judgment task, a person is presented with a number of stimuli that vary on one dimension (e.g., 10 different tones varying only in pitch) and responds to each stimulus with a corresponding response (learned before). In his article, Miller discussed a coincidence between the limits of one-dimensional absolute judgment and the limits of short-term memory. 2 The "magical number 7" and working memory capacity.
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