Table 4. ANOVA results for BR Values and Geographic Distance between Time Periods.

	BR		Distance
Periods	F	p-value	F	p-value
All	33.08	.000	24.29	.000
1350–1400 and 1400–1450	4.00	.046	2.37	0.124
1400–1450 and 1450–1500	1.35	.245	7.48	0.006
1450–1500 and 1500–1550	4.03	.046	12.53	.000
1500–1550 and 1550–1600	2.35	.128	0.003	0.958
1550–1600 and 1600–1650	54.23	.000	6.906	0.009