Table 3. Results of General Linear Model (GLM) that analyzes the effects of Tail state (Tail; original vs regenerated) and Population (5, Butihondo, La Oliva, Caleta Famara, Nazaret-Teguise, Yaiza) on laterality index, LI = (right run−Left run)/(right+left run).

	df	F	p
Intercept	1	28.911	0.000
Population	4	3.318	0.019
Tail	1	2.130	0.152
Population*Tail	4	4.227	0.006
Error	40