Intra-observer error | Intra-observer error | |
Landmark
|
Defended, standard error (unitless) | Undefended, standard error (unitless) |
1 – eye | 0.74 x 10-3 | 0.70 x 10-3 |
2 – neckteeth defence (or corresponding area) | 0.61 x 10-3 | 0.64 x 10-3 |
3 – base of the tail | 0.81 x 10-3 | 0.69 x 10-3 |
4 – dorsal midpoint | 0.59 x 10-3 | 0.61 x 10-3 |
5 – ventral midpoint | 0.77 x 10-3 | 0.76 x 10-3 |
6 – rostrum | 0.92 x 10-3 | 0.92 x 10-3 |
Mean | 0.74 x 10-3 | 0.72 x 10-3 |
Maximum | 0.92 x 10-3 | 0.92 x 10-3 |
Minimum | 0.59 x 10-3 | 0.61 x 10-3 |