Frequencies observed

 

T1=1

T1=0

 

 

T2=1

T2=0

T2=1

T2=0

Total

    V= 1

 

 

 

 

 

D=1

31

5

3

1

40

D=0

25

10

19

55

109

    V=0

22

6

65

346

439

Total

78

21

87

402

588

Comparison of the two weighted kappa coefficients

 

 

 

H0:k1 (c) =k2 ( c )

c

z

p-value

0.1

0.46

0.26

3.12

0.0018

0.2

0.47

0.28

2.91

0.0036

0.3

0.49

0.30

2.67

0.0076

0.4

0.51

0.33

2.38

0.0173

0.5

0.53

0.37

2.06

0.0394

0.6

0.55

0.40

1.70

0.0891

0.7

0.58

0.45

1.31

0.1902

0.8

0.61

0.52

0.86

0.3898

0.9

0.64

0.60

0.32

0.7490

Table 10: Data from the study by Hall et al and results obtained when comparing the two weighted kappa coefficients.