Table 3.

Model output from all GAMMs analysing behavioural responses in recognition trials with their standard errors, estimates and p values

Model: response variable	Predictor variables	Estimate	Standard error	p Value
Checks	Trial type (stranger)	0.2	0.03	<0.001
	Sex	−0.3	0.3	0.2
	Time in captivity	−0.04	0.003	<0.001
Aggressive interactions	Trial type (stranger)	0.4	0.05	<0.001
	Sex	−0.7	0.4	0.09
	Time spent in captivity	−0.06	0.006	<0.001
Approaches	Trial type (stranger)	0.2	0.08	0.08
	Sex	−0.4	0.4	0.3
	Time in captivity	−0.03	0.01	0.004
Time within one body length	Trial type (stranger)	59.6	144.4	0.7
	Sex	−334.4	263.6	0.2
	Time in captivity	−4.3	18.9	0.8