Figure 2From: Radiographic 2D:4D index in females: no relation to anthropometric, behavioural, nutritional, health-related, occupational or fertility variablesAccuracy of three observers' measurements. Error of single measurements (y-axis) plotted on the mean value of these observers (Bland-Altman plot). The mean absolute error is 0.002 (or 0.22 % out of the mean index of 0.924).Back to article page