Table 1.

Successes (Number of Trials When Food Reward Obtained) and Total Time (One-Second Intervals) Interacting with a Door on the First Trial with an Apparatus

	Individual	1	2	3	4	5	6	7	8	9
Apparatus 1	Trials	10	18	20	20	20	19	20	16	20
	Successes*	0	18	19	19	0	19	2	0	18
	Time✧	1	5	2	4	5	3	4	1	6
Apparatus 2	Trials	10	20	20	20	20	18	16	20	20
	Successes*	0	1	1	7	0	0	0	0	1
	Time✧	0	3	30	2	3	8	0	0	10

^*Differences in successes, matched pair Wilcoxon, one tailed, p = 0.018, N = 9

^✧Differences in time, matched pair Wilcoxon, two tailed, p = 0.95, N = 9