Table 1 Mean amount and standard deviation (SD) of food pieces obtained by subject and conspecific in mutual and solo orientation trials and when reorienting vs. not reorienting the seesaw. The apparatus was baited with one piece of banana in the non-divisible reward condition and five peanuts in the divisible reward condition.
Reward | Initial orientation | Reorienting | Subject | Conspecific |
|---|---|---|---|---|
Divisible | Mutual | No | 0.25 (SD = 0.44) | 0.75 (SD = 0.44) |
1 Banana | Solo | No | 0.93 (SD = 0.26) | 0.01 (SD = 0.10) |
Mutual | Yes | 0.97 (SD = 0.18) | 0 (SD = 0) | |
Solo | Yes | 0.55 (SD = 0.52) | 0.45 (SD = 0.52) | |
Non-divisible | Mutual | No | 1.83 (SD = 1.28) | 2.38 (SD = 1.4) |
5 Peanuts | Solo | No | 3.54 (SD = 1.19) | 0 (SD = 0) |
Mutual | Yes | 3.73 (SD = 1.05) | 0.1 (SD = 0.54) | |
Solo | Yes | 2.17 (SD = 1.34) | 1.75 (SD = 1.36) |
