Table 2. Median Generalized Quartet Distances for Glottolog families.

Method character type	Character-based			Distance-based
	Cognate classes	Soundclass-concept	Combined
total	0.215	0.186	0.173	0.148
small families (n<20)	0.193	0.219	0.219	0.100
medium families (20≤n<100)	0.249	0.179	0.171	0.168
large families (n≥100)	0.147	0.147	0.102	0.154