On the evolution of limestone-tempered pottery in the American Midwest: an experimental assessment of vessel weight and its relationship to other functional/mechanical properties

Figures & data

Figure 1. Examples of pottery vessels produced for the experiment: (a) grit-tempered bowls pre-firing; (b) limestone-tempered bowls pre-firing; (c) grit-tempered bowls post-firing; (d) limestone-tempered bowls post-firing.

Table 1. Estimates of coefficients.

Model 1: (adjR^2 = .944; sy:Model = .0055)
Variable	bj	sb	t58	p<	95% confidence interval
Intercept	.2111				pr (.2091 < β1 < .2131) = .95
Temper	.0447	.0014	31.68	.000	pr (.0419 < β1 < .0475) = .95
Model 2: (adjR^2 = .944; sy:Model = .0055)
Variable	bj	sb	t57	p<	95% confidence interval
Intercept	.2109				pr (.2085 < β1 < .2134) = .95
Temper	.0447	.0014	31.43	.000	pr (.0419 < β1 < .0476) = .95
Mass	.000028	.000107	0.26	.794	pr (–.0018 < β1 < .0024) = .95