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Table 6 Indirect equating

From: Test equating sleep scales: applying the Leunbach’s model

Equated pair

Bootstrap distribution of SEE

Min

Median

Max

Weighted Mean

MOSb-PSQIb

PSQIb-MOSb

0

0.73

1.37

0.66

0

0.48

1.17

0.36

MOSb-PSRIa

PSRIa-MOSb

0

1.54

2.25

1.23

0

0.45

1.35

0.38

NSIDa-PSQIb

PSQIb-NSIDa

0

0.61

3.27

0.63

0.06

0.71

1.96

0.77

NSIDa-PSRIa

PSRIa-NSIDa

0

1.23

4.99

1.19

0

0.61

2.27

0.75

NSINc-PSQIb

PSQIb-NSINc

0

0.64

1.41

0.69

0.06

0.79

2.17

0.92

NSINc-PSRIa

PSRIa-NSINc

0

1.14

2.28

1.33

0.03

0.78

2.35

0.94

NSIFb-PSQIb

PSQIb-NSIFb

0

0.7

1.49

0.81

0

0.34

0.56

0.28

NSIFb-PSRIa

PSRIa-NSIFb

0

1.17

2.27

1.4

0

0.33

0.61

0.27

Ideal value

 

<0.91

  1. Pairs involving PSD are excluded because they involve the equating ESS-PSD or PSD-ESS, which is not recommended
  2. Average weighted means above 0.91 are in bold
  3. Abbreviations: SEE standard error of equating
  4. aMost prevalent aspect is Sleep disturbance
  5. bMost prevalent aspect is Impact of sleep on daily life
  6. cMost prevalent aspect is Quality of sleep