Table 3.
Numbers of sessions to which individual subjects were exposed in the initial and replicated conditions, where applicable, in the PR condition. Average (and standard deviation) values for PR breakpoint and peak responses emitted per session in the final four stable sessions are provided.
| Subject | Reinforcer | Sessions | PR Breakpoint (SD) | Peak Resp. |
| Output (SD) | ||||
| K2 | Food | 11 (10) | 796.6 (64.0) | 19014 (1116) |
| Water | 13 | 487.5 (61.0) | 11475 (1486) | |
| R3 | Food | 16 (11) | 564.6 (76.7) | 13356 (1874) |
| Water | 12 | 321.2 (122.8) | 7506 (2956) | |
| G2 | Food | 12 (26) | 733.7 (72.6) | 17395 (1807) |
| Water | 16 | 494.5 (60.3) | 11650 (1468) | |
| R1 | Food | 23 | 579.2 (52.2) | 13708 (1269) |
| Water | 20 (12) | 369.4 (95.3) | 8626 (2270) | |
| K4 | Food | 11 | 698.7 (35.1) | 16630 (863) |
| Water | 12 (17) | 669.9 (170.1) | 15926 (4150) | |
| B1 | Food | 14 | 442.5 (51.8) | 10380 (1258) |
| Water | 21 (13) | 437.2 (62.3) | 10198 (1483) |