Table 6.

Fixed effects from the random intercept model with site–trial interaction (S0) explaining variation in individual DF response for individuals among sites

Variable	Estimate	t	P
(Intercept)	1.580	2.346	0.021
Observer
A	0.213	3.632	0.005
B	0.027	0.452	0.652
Site
Medium	−0.027	−0.266	0.791
Low	−0.196	−1.621	0.109
logSD	−0.0128	−0.161	0.873
Trial	−0.044	−1.263	0.210
Trial: low	0.017	0.286	0.776
Trial: medium	−0.024	−0.476	0.635

Significant effects are in bold.