Table 1.

Full GLM and test statistics of all predictor variables that were considered to influence IC

Full model	Estimate	SE	t	P
Environment (predictable)	0.687	0.336	2.041	0.044*
Task (cylinder)	0.298	0.470	0.634	0.528
Sex (male)	− 0.198	0.349	− 0.567	0.572
Baseline worm	− 0.007	0.013	− 0.558	0.578
Persistence	0.006	0.004	1.583	0.117
Dietary breadth	0.031	0.031	1.019	0.310
Body condition	0.131	0.120	1.193	0.236
Colour learning	− 0.090	1.103	− 0.082	0.935
Environment:task	− 0.319	0.640	− 0.498	0.619
Environment:sex	− 0.196	0.468	− 0.418	0.677
Sex:task	0.052	0.607	0.085	0.933
Environment:sex:task	− 0.167	0.810	− 0.206	0.837

AIC = 340

Significant variables are denoted by *