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( A ) A schematic of one possible reflexive-optimal categorization problem in which the shape of window (rectangle vs. circle), number of clouds (1 vs. 2), and landscaping (tree vs. lawn) dimensions were relevant and the color of the house was irrelevant. ( B ) A schematic of one possible reflective-optimal categorization problem in which the dimension of color of wall (green or pink) was relevant, and the 3 other dimensions were irrelevant.
