. Author manuscript; available in PMC: 2018 Jan 1.

Published in final edited form as: J Exp Anal Behav. 2017 Jan;107(1):136–150. doi: 10.1002/jeab.239

Table 3.

Median responses emitted in terminal links and (in parentheses) the ratio of total responses emitted and total pellets obtained in the final six sessions of Experiment 3.

Pigeon	Forced Trials				Choice Trials				Unit Price

	Suboptimal		Optimal		Suboptimal		Optimal
	S10_0.2	S0_0.8	O3_0.2	O3_0.8	S10_0.2	S0_0.8	O3_0.2	O3_0.8	Suboptimal	Optimal
P1	5 (124/240)	0 (10/0)	5.5 (136/72)	3 (371/288)	3 (59/150)	0 (11/0)	3 (24/21)	3 (123/96)	0.52	1.37
P2	27.5 (693/240)	1 (61/0)	5.5 (152/72)	7 (762/288)	24 (451/180)	1 (51/0)	4 (17/15)	5 (113/57)	2.99	2.42
P3	9 (189/240)	0 (28/0)	1 (19/72)	0 (30/288)	7 (166/200)	0 (32/0)	0 (1/15)	0 (4/60)	0.94	0.12
P4	4.5 (118/240)	0 (10/0)	0 (9/72)	1 (192/288)	4 (87/210)	0 (23/0)	0 (2/9)	0 (9/36)	0.53	0.52
P5	32.5 (716/240)	0 (49/0)	3 (81/72)	19.5 (1895/288)	29 (442/170)	0 (20/0)	1 (23/27)	6 (397/93)	2.99	4.99
P6	31 (746/240)	0 (15/0)	14 (302/72)	3 (714/288)	29 (701/240)	0 (14/0)	0 (0/0)	0 (0/3)	3.08	2.8

Note. Data are separated by forced and choice trials, and by the terminal-link stimuli in each trial. The final columns provide obtained unit prices, calculated across forced and choice trials.