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Table 1 Discrete item scalabilities in relation to the subscales

From: Investigating psychometric properties and dimensional structure of an educational environment measure (DREEM) using Mokken scale analysis – a pragmatic approach

SPL1

Item

1

7

13

16

20

22

24

25a

38

44

47

48a

H i

.440

.467

.472

.500

.514

.486

.427

.190

.418

.495

.341

.297

SPT2

Item

2

6

8a

9a

18

29

32

37

39a

40

50a

 

H i

.257

.272

.299

.068

.264

.251

.287

.326

.253

.249

.299

 

SASP3

Item

5

10

21

26

27

31

41

45

    

H i

.096

.069

.336

.266

.250

.207

.350

.310

    

SPA4

Item

11

12

17a

23

30

33

34

35a

36

42

43

49

H i

.382

.362

.128

.336

.287

.380

.360

.284

.198

.267

.375

.268

SSSP5

Item

3

4a

14

15

19

28

46

     

H i

.238

.269

.275

.280

.250

.305

.071

     
  1. Abbreviations: SPL students’ perceptions of learning, SPT students’ perceptions of teaching, SASP students’ academic self-perceptions, SPA students’ perceptions of the atmosphere, and SSSP students’ social self-perceptions. A superscript letter indicates H coefficient for the subscale: 10.413, 20.254, 30.233, 40.297 and 50.244
  2. aIndicates negatively stated items