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. Author manuscript; available in PMC: 2017 Apr 4.
Published in final edited form as: Conductual. 2015 Apr;3(1):4–25.

Figure 16.

Figure 16

(a) The six stimulus classes hypothesized to result from AB, BC, and AC successive matching training. R = red, G = green, B = blue, W = white, T = triangle, H = horizontal, 1 = first ordinal position (sample stimulus), 2 = second ordinal position (comparison stimulus). Ellipses highlight common elements across classes. (b) The two 4-member stimulus classes hypothesized to result from class merger via common elements. Solid and broken arrows denote explicitly trained relations and predicted reflexivity relations, respectively. R = red, G = green, B = blue, W = white, T = triangle, H = horizontal, 1 = first ordinal position (sample stimulus), 2 = second ordinal position (comparison stimulus).