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. Author manuscript; available in PMC: 2013 Aug 1.
Published in final edited form as: Anim Behav. 2012 Jun 20;82(2):399–403. doi: 10.1016/j.anbehav.2012.05.009

Table 3.

Results from a Wilcoxon rank test to determine whether intensity of use in the months following an interaction differed significantly from the intensity of use prior to the interaction across 4 timescales (3, 6, 9, and 12 months).

N Z P
Timescale: 3 months
Winning group 214 -1.596 0.110
Losing group 214 -3.186 0.001
Timescale: 6 months
Winning group 214 -0.807 0.420
Losing group 214 -1.841 0.066
Timescale: 9 months
Winning group 214 -0.323 0.747
Losing group 214 -1.721 0.087
Timescale: 12 months
Winning group 214 -0.305 0.761
Losing group 214 -1.776 0.076

Statistically significant results are bolded