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Table 5 Suggested allocations from the first dimension based on unprejudiced exploratory automated item selection procedure

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

Item Hi (founded on 50 items)

First dimension from AISP

c = 0.3

.350

SASP21

  

.375

SASP41

  

.365

SASP45

  

.302

 

SPA11

 

.306

 

SPA12

 

.268

 

SPA23

 

.296

 

SPA30

 

.294

 

SPA33

 

.318

 

SPA35a

 

.335

 

SPA42

 

.409

 

SPA43

 

.352

  

SPL1

.360

  

SPL13

.384

  

SPL16

.394

  

SPL20

.389

  

SPL22

.336

  

SPL24

.325

  

SPL38

.413

  

SPL44

.239

  

SPL47

.373

  

SPL7

.291

SPT18

  

.266

SPT2

  

.247

SPT29

  

.293

SPT32

  

.326

SPT37

  

.260

SPT40

  

.251

SPT6

  

.346

 

SSSP14

 

.296

 

SSSP28

 

.291

 

SSSP3

 

.278

 

SSSP4a

 
  1. Abbreviations: AISP automated item selection procedure, 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
  2. aIndicates negatively stated items