Table 3.

The number of images selected before cashing-out by each animal in each condition of Experiment 2, and the results of individual analyses conducted on those data.

		Subject
Condition	Statistic	Chewie	Gale	Luke	Obi
Short delay, Low effort	N	179	180	180	180
	N Correct	174	169	173	155
	% 1	0	0	1	0
	% 2	0	0	0	0
	% 3	1	0	0	3
	% 4	99	100	99	97
Short delay, High effort	N	175	179	176	180
	N Correct	131	175	107	158
	% 1	2	0	3	3
	% 2	2	1	2	1
	% 3	8	0	19	17
	% 4	88	99	77	79
Long delay, Low effort	N	178	173	199	179
	N Correct	166	114	191	166
	% 1	35	0	94	1
	% 2	0	0	4	8
	% 3	2	3	1	74
	% 4	63	97	2	18
Long delay, High effort	N	179	176	180	180
	N Correct	132	130	166	169
	% 1	6	2	92	5
	% 2	4	5	7	78
	% 3	14	14	2	16
	% 4	76	79	0	2
Results (simple main effects)	FDelay X Effort	7.091*	2.900	4.526*	15.994*
	df, N	1, 122	1,99	1, 130	1, 131
	η2	0.057	0.030	0.033	0.112
	FDelay	16.148*	4.298*	1102.532*	47.564*
	df, N	1, 122	1,99	1, 130	1, 131
	η2	0.12	0.043	0.897	0.272
	FEffort	2.686	4.333*	3.213	198.920*
	df, N	1, 122	1,99	1, 130	1, 131
	η2	0.022	0.044	0.025	0.610
	FDelay (low)	25.221*	0.083	758.059*	4.163*
	df, N	1, 68	1, 57	1, 75	1, 65
	FDelay (high)	0.824	6.070*	411.059*	59.853*
	df, N	1, 54	1, 42	1, 55	1, 66
	FEffort (short)	0.520	0.066	6.370*	49.169*
	df, N	1, 61	1, 49	1, 56	1, 63
	FEffort (long)	9.325*	7.852*	0.044	170.387*
	df, N	1, 61	1, 50	1, 74	1. 68

^*Significant at p < 0.05.