Skip to main content

Psychology: Research and Review

Table 1 Slope, location and chi-square tests for the negative affect scale

From: An application of item response theory to psychological test development

Items

Slope (a)

Location (b)

χ 2

df

p

1

0.80

-0.62

62.09

61

0.44

2

0.56

-1.14

71.54

65

0.27

3

0.63

-0.73

101.35

62

0.01

4

0.40

0.87

93.87

85

0.24

5

0.62

-0.12

76.99

74

0.38

6

0.70

1.48

85.44

69

0.09

7

0.79

0.10

80.35

74

0.29

8

1.19

0.21

79.65

65

0.10

9

0.56

2.09

93.22

70

0.03

10

0.64

1.23

84.98

76

0.22