Table 8. Calculated likelihood that the hadrosaurs for which clutch volume data exist show each parental care strategy.

Hadrosaurs (Lambeosaurine, Maiasaura peeblesorum)
Care Strategy	Sum of Squares	AIC	Δi	Relative likelihood	Wi	Evidence ratio
No Care	0.371	-0.266	0	1.000	0.293	1.00
Maternal Care	0.407	0.006	0.271	0.873	0.256	1.15
Paternal Care	0.478	0.487	0.753	0.686	0.201	1.46
Biparental Care	0.414	-0.058	0.323	0.851	0.249	1.18