A matter of taste: the adverse effect of pollen compounds on the pre-ingestive gustatory experience of sugar solutions for honeybees

Table 2 GEE analysis of the CS responses (cPE) in the antennal conditioning experiments (Experiments 2–6)

	Experiment	Factor	df	X ²	P
1	Experiment 2 S, S (30%), SPo, WPo	Trial	4	5.93	0.20
		Treatment	3	25.07	<0.001
		Trial × Treatment	12	11.85	0.46
2	Experiment 3 S, SPo (10%), WPo, W	Trial	4	5.099	0.28
		Treatment	3	34.62	<0.001
		Trial × Treatment	12	12.61	0.398
3	Experiment 4 S, SCell, SNaCl	Trial	4	36.37	<0.001
		Treatment	2	4.69	0.096
		Trial × Treatment	8	3.04	0.93
4	Experiment 5 S, SPo, SQ (10 mM), SQ	Trial	4	19.11	0.001
		Treatment	3	43.69	<0.001
		Trial × Treatment	12	40.05	<0.001
5	Experiment 6 S, SPo, SPh, SPr	Trial	4	59.77	<0.001
		Treatment	3	3.78	0.29
		Trial × Treatment	12	20.22	0.063