Table 1 Performance of individual guppies in the numerosity discrimination task. For each individual, percentage correct responses (mean ± SD), number of correct responses/number of incorrect responses and P value calculated with the binomial test (one degree of freedom) are reported. Bold indicates subjects that chose the correct stimulus more often than chance.

From: Poor numerical performance of guppies tested in a Skinner box

 

Subject 1

Subject 2

Subject 3

Subject 4

Subject 5

Subject 6

Performance

58.80 ± 7.67%,

294/500,

P < 0.001

54.00 ± 4.58%,

243/450,

P = 0.100

57.40 ± 7.83%,

287/500,

P = 0.001

55.20 ± 9.00%,

276/500,

P = 0.022

57.40 ± 4.12%,

287/500,

P = 0.001

54.40 ± 6.72%,

272/500,

P = 0.054

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