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. Author manuscript; available in PMC: 2015 May 1.
Published in final edited form as: Anim Cogn. 2013 Nov 6;17(3):715–722. doi: 10.1007/s10071-013-0703-2

Table 1.

Paired t-test values for the exposure and test phases of the 11 ratios tested.

Ratio Exposure Phase Test Phase
5:4 t11 = 0.319, P = 0.755 t11 = 1.358, P = 0.202
5:3 t11 = 2.333, P = 0.040 t11 = 3.421, P = 0.006
5:2 t11 = 0.342, P = 0.739 t11 = 3.340, P = 0.007
5:1 t11 = 5.726, P < 0.001 t11 = 3.649, P = 0.004
4:3 t11 = 1.708, P = 0.116 t11 = 0.322, P = 0.754
4:2 t11 = 3.260, P = 0.008 t11 = 3.667, P = 0.004
4:1 t11 = 2.441, P = 0.033 t11 = 4.236, P = 0.001
3:2 t11 = 1.059, P = 0.312 t11 = 2.757, P = 0.019
3:1 t11 = 5.470, P < 0.001 t11 = 2.855, P = 0.016
2:1 t11 = 1.352, P = 0.204 t11 = −0.580, P = 0.574
3:3 t11 = −0.261, P = 0.799 t11 = −0.211, P = 0.837