Table 2 Intra-observer and average bias of length measurements of community nurses by standardization session^{a, b}

0.87

−0.78

1.23

0.40

1.11

0.35

0.90

−0.20

1.22

0.38

0.95

−0.13

0.70

−0.95

0.72

−0.63

0.72

−1.33

0.96

−0.98

1.18

0.39

0.59

0.13

1.86

0.53

0.64

0.78

0.62

0.51

0.99

−0.15

2.77^c

− 1.67

0.11

−0.65

0.68

−0.25

1.14

0.35

1.11

−0.83

0.11

−0.65

0.70

0.64

1.11

0.05

0.81

−0.63

0.63

0.68

0.41

−0.35

0.64

−0.10

1.33

−1.26

1.59^c

0.07