Table 7 Scale and subscale information and standard error values.

From: Development and validation of a generic self-assessment scale for K-12 teachers as feedback givers: Insights from item response theory and factor analysis

Scale

Value

-3

-2

-1

0

1

2

3

Final scale

IF

37.72

43.54

34.05

39.72

37.09

22.59

4.34

SE

0.16

0.15

0.17

0.16

0.16

0.21

0.48

FK

IF

9.74

11.76

10.18

10.76

10.14

3.07

1.20

SE

0.32

0.29

0.31

0.31

0.31

0.57

0.91

FS

IF

19.39

26.17

17.70

13.38

24.75

3.78

1.13

SE

0.23

0.20

0.24

0.27

0.20

0.51

0.94

FV

IF

20.23

30.02

33.29

17.20

10.78

1.45

1.03

SE

0.22

0.18

0.17

0.24

0.31

0.83

0.99

FA

IF

24.89

31.38

20.76

10.80

28.68

2.15

1.03

SE

0.20

0.18

0.22

0.30

0.19

0.68

0.99

  1. IF information function, SE standard error, FK feedback knowledge, FS feedback skills, FV feedback value, FA feedback actionability.
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