Table 4. Tests of all two-way and three-way partial associations involving reaction of the birds (REACT) in the fully saturated hierarchical log-linear model with generating class COLOR*MOON*CLOUD*REACT.

Effect name Partial χ2 df P
COLOR*MOON*REACT 3.26 3 0.354
COLOR*CLOUD*REACT 1.50 3 0.682
MOON*CLOUD*REACT 3.59 1 0.058
COLOR*REACT 154.62 3 <0.001
MOON*REACT 0.94 1 0.331
CLOUD*REACT 11.29 1 <0.001