. Author manuscript; available in PMC: 2013 Oct 1.

Published in final edited form as: Behav Processes. 2012 Jul 31;91(2):184–191. doi: 10.1016/j.beproc.2012.07.007

Table 1.

This table lists the mean (in bold) and standard error of the mean (in italics) of the number of reinforcers (5 s light onset) earned on each of the three schedules of reinforcement, (fixed ratio 1 - FR 1; variable-interval 1 minute - VI 1 min; and variable-interval 6 minute - VI 6 min), during the test phase.

Schedule	Test Phase Blocks
Schedule	1&2	3&4	5&6	7&8	9&10
FR 1	20.643	15.929	13.643	13.857	12.357
FR 1	4.318	1.942	1.828	1.025	1.234
VI 1 min	9.000	9.625	8.563	7.875	6.688
VI 1 min	1.290	1.281	1.222	1.168	1.092
VI 6 min	2.813	2.875	4.188	4.063	3.125
VI 6 min	0.721	0.621	0.462	0.326	0.645