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Table 5 Discrimination and difficulty parameters for the scale items

From: Is the meaning of subjective well-being similar in Latin American countries? A cross-cultural measurement invariance study of the WHO-5 well-being index during the COVID-19 pandemic

Model

Item

a

b1

b2

b3

Unidimensional

WBI1

3.78

− 2.19

− .60

.71

 

WBI2

3.90

− 1.81

− .40

.83

 

WBI3

4.28

− 1.79

− .41

.74

 

WBI4

2.87

− 1.67

− .27

.98

 

WBI5

2.61

− 1.93

− .55

.64

  1. a, Discrimination parameters; b, difficulty parameters
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BMC Psychology

ISSN: 2050-7283

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