Table 1.

Influence of group size, sum of feeding spiders and trial number on feeding efficiency.

source	F	DF	p
Size of feeding group	103.7	1	≤ 0.0001
Group size (1, 3, 6 spiders)	7.14	2	0.001
Trial number			0.003

General linear mixed model (REML): trial number (random effect; t = 3.1), (whole model, r² = 0.59).