Table 1.

Results of the 2 × 2 × 2 way MANOVA testing the effect of demonstrator experience (naive versus experienced), light condition during stage B (light versus dark) and stage C cue (control versus experimental stimulus) on the foraging behaviour and activity level of the observers during stage C (experiment 1).

source of variance	d.f.	F	significance
demonstrator	2,111	18.6	<0.001
light	2,111	0.4	0.658
cue	2,111	31.7	<0.001
demonstrator × light	2,111	0.2	0.814
demonstrator × cue	2,111	31.8	<0.001
light × cue	2,111	0.6	0.530
demonstrator × light × cue	2,111	0.8	0.468