TABLE 2.
Results of the Procrustes ANCOVA for variation in cranium and mandible size (centroid size) assessing the impact of Time Period (1890s and 2010s), Sex (female and male), and the two‐way interaction term
| df | SS | MS | R 2 | F | Z | p | |
|---|---|---|---|---|---|---|---|
| Cranium | |||||||
| Time Period | 1 | 11.370 | 11.375 | .004 | 0.181 | −0.216 | .660 |
| Sex | 1 | 4.420 | 4.421 | .001 | 0.070 | −0.565 | .777 |
| Time Period × Sex | 1 | 126.610 | 126.610 | .043 | 2.014 | 0.853 | .172 |
| Residuals | 45 | 2,829.240 | 62.872 | .952 | |||
| Total | 48 | 2,971.650 | |||||
| Mandible | |||||||
| Time Period | 1 | 15.120 | 15.117 | .019 | 1.039 | 0.579 | .311 |
| Sex | 1 | 2.520 | 2.517 | .003 | 0.173 | −0.183 | .647 |
| Time Period × Sex | 1 | 15.930 | 15.926 | .020 | 1.094 | 0.575 | .317 |
| Residuals | 53 | 771.380 | 14.554 | ||||
| Total | 56 | 804.930 | |||||
No variables were significant with an α of 0.05.