Table 3. Experiment 2: Simultaneous Discrimination of Trained Ratio From Larger and Smaller Ratios.

Proportions	Neutral Stimuli (1:1)			Positive Stimuli (2:1)			Neutral Stimuli (4:1)
	Number of green dots	Number of red dots	Total number of dots	Number of green dots	Number of red dots	Total number of dots	Number of green dots	Number of red dots	Total number of dots
Training Stimuli
Ratio comparisons	22	22	44	12	6	18	12	3	15
	8	8	16	18	9	27	16	4	20
	4	4	8	14	7	21	36	9	45
	30	30	60	20	10	30	64	16	80
Mean	16	16		16	8		32	8
Testing Stimuli
Ratio comparisons	36	36	72	8	4	12	24	6	30
	12	12	24	28	14	42	12	3	15
	7	7	14	20	10	30	52	13	65
	41	41	82	40	20	60	8	2	10
Mean	24	24		24	12		24	6