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. 2017 Nov 29;7:16557. doi: 10.1038/s41598-017-16729-z

Table 4.

Choice of the shorter way performed by each horse in the asymmetric condition.

Horse ID Short Way (out of 15) Long Way (out of 15) Binomial Test Wilcoxon’s signed ranks testa
H8 (1) 14 1 z = 3.1 p = 0.001*
H17 (1) 13 2 z = 2.58 p = 0.0074*
H1 (1) 11 4 z = 1.55 p = 0.1185
H5 (1) 10 5 z = 1.03 p = 0.3018
H24 (1) 10 5 z = 1.03 p = 0.3018
H3 (1) 9 6 z = 0.52 p = 0.6072
H22 (1) 9 6 z = 0.52 p = 0.6072
H19 (1) 8 7 z = 0 p = 1.0
H9 (1) 8 7 z = 0 p = 1.0
H7 (1) 8 7 z = 0 p = 1.0
H16 (1) 7 8 z = 0 p = 1.0
H21 (1) 6 9 z = −0.52 p = 0.6072
Mean ± SD 9.4 ± 2.4 5.6 ± 2.4 z = −2.407; p = 0.003
H26 (2) 11 4 z = 1.55 p = 0.1185
H12 (2) 9 6 z = 0.52 p = 0.6072
H14 (2) 9 6 z = 0.52 p = 0.6072
H2 (2) 9 6 z = 0.52 p = 0.6072
H11 (2) 8 7 z = 0 p = 1.0
H10 (2) 8 7 z = 0 p = 1.0
H20 (2) 7 8 z = 0 p = 1.0
H6 (2) 6 9 z = −0.52 p = 0.6072
Mean ± SD 8.4 ± 1.5 6.6 ± 1.5 z = −1.496; p = 0.047
H25 (3) 8 7 z = 0 p = 1.0
H13 (3) 8 7 z = 0 p = 1.0
H15 (3) 8 7 z = 0 p = 1.0
H18 (3) 8 7 z = 0 p = 1.0
H4 (3) 7 8 z = 0 p = 1.0
H23 (3) 7 8 z = 0 p = 1.0
Mean ± SD 7.7 ± 0.5 7.3 ± 0.5 z = −0.816; p = 0.688

Some horses (1) maintained the same cognitive style as in symmetric task; they were directionally flexible and detoured the barrier on both sides. Other horses (2) shifted from directionally consistent response in the symmetric task to directionally flexible response in the asymmetric task. The remaining horses (3) maintained the same cognitive style and were directionally consistent in both tasks. Therefore in the asymmetric task horses (1) and (2) were directionally flexible showing the same cognitive style. These directionally flexible horses (1) and (2) significantly selected the shorter way; with two horses from the (1) who significantly selected the shorter way at individual level*. aAsymp. Sig. (2-tailed).