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. 2018 Nov 23;22(1):99–111. doi: 10.1007/s10071-018-1226-7

Table 1.

Descriptive statistics for stimuli in the judgement bias testing stage

Stimulus
POS NEARPOS MID NEARNEG NEG
Trials per bird 24 8 8 8 24
Percentage probed within 60 s (mean ± per bird SD) 96.7 ± 5.5% 79.0 ± 20.7% 67.7 ± 29.0% 38.7 ± 27.5% 25.1 ± 22.1%
Latency to probe (s) (mean ± SD) 5.51 ± 11.39 15.91 ± 23.55 23.17 ± 26.84 39.79 ± 27.13 48.62 ± 22.27