Table 4:

Matrix of differences in mean (mm) and corresponding Cohen’s d effect sizes (in bold) between any two of the eight accuracy data sets. All differences were significant (p << 0.05) according to a paired t test.

	Si Active Nominal	Si Active Calibrated	Si Full Nominal	Si Full Calibrated	Xi Active Nominal	Xi Active Calibrated	Xi Full Nominal	Xi Full Calibrated
Si Active Nominal	0.0 0.0
Si Active Calibrated	−0.87 −3.70	0.0 0.0
Si Full Nominal	139.21 8.52	140.08 8.57	0.0 0.0
Si Full Calibrated	3.30 3.13	4.16 3.98	−135.92 −8.30	0.0 0.0
Xi Active Nominal	0.22 0.79	1.08 4.60	−139.00 −8.51	−3.08 −2.92	0.0 0.0
Xi Active Calibrated	−0.59 −2.67	0.28 1.62	−139.80 −8.56	−3.89 −3.73	−0.81 −3.63	0.0 0.0
Xi Full Nominal	0.45 1.53	1.32 5.11	−138.76 −8.49	−2.85 −2.69	0.23 0.79	1.04 4.23	0.0 0.0
Xi Full Calibrated	−0.68 −3.13	0.19 1.17	−139.89 −8.56	−3.97 −3.82	−0.89 −4.11	−0.09 −0.59	−1.13 −4.67	0.0 0.0