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Table 4 Summary of the exploratory factor analyses

From: Psychometric properties and contextual appropriateness of the German version of the Early Development Instrument

Domain

Factor

EDIa

GEDI

  

subdomain label

subdomain label

  

N of items

N of items

  

(range)

(range)

  

internal consistency (⍺)

internal consistency (⍺)

PHY

 

physical readiness for school work

physical well-being and readiness for school work

1

4

6 (2 items < 0.3)

(0.640–0.773)

(0.206–0.628)

 

0.715

0.565

 

physical independence

 

2

4

 

(0.401–0.657)

 

0.256

 
 

gross & fine motorskills

physical development and gross & fine motor skills

3

5

6 (1 item < 0.3)

(0.763–0.897)

(0.251–0.797)

 

0.918

0.759

N item total

13

12

SOC

 

overall social competence with peers

overall social competence with peers

4

5

5 (1 item < 0.3)

(0.576–0.754)

(0.235–0.796)

 

0.862

0.754

 

respect and responsibility

respect and responsibility

5

8

8

(0.623–0.823)

(0.394–0.786)

 

0.921

0.813

 

independence and adjustment

independence and adjustment

6

9

9 (1 item < 0.3)

(0.504–0.778)

(0.295–0.831)

 

0.911

0.854

 

readiness to explore new things

readiness to explore new things

7

4

4

(0.677–0.892)

(0.591–0.857)

 

0.863

0.758

N item total

26

26

EMO

 

prosocial and helping behavior

prosocial and helping behavior

8

8

9

(0.777–0.881)

(0.354–0.843)

 

0.944

0.88

 

anxious and fearful behavior

anxious and fearful behavior

9

8

7

(0.513–0.822)

(0.402–0.804)

 

0.808

0.784

 

aggressive behavior

aggressive behavior

10

7

8

(0.542–0.795)

(0.401–0.737)

 

0.862

0.836

 

hyperactive and inattentive behavior

hyperactive and inattentive behavior

11

7

6

(0.559–0.833)

(0.430–0.789)

 

0.921

0.834

N item total

30

30

LAN

 

basic literacy

basic literacy and numeracy / resources to learn those abilities are provided in German preschools

12

8

9

(0.043–0.477)

(0.495–0.886)

 

0.751

0.899

 

interest and memory

interest and curiosity in basic literacy and numeracy

13

5

8

(0.383–0.757)

(0.404–0.786)

 

0.779

0.834

 

complex literacy skills

cognitive abilities

14

6

6

(0.541–0.766)

(0.397–0.728)

 

0.808

0.735

 

basic literacy and numeracy

complex literacy skills / resources to learn those abilities are not provided in German preschools

15

7

3

(0.409–0.749)

(0.706–1.004)

 

0.802

0.836

N item total

26

26

COM

 

communication skills

communication skills

16

8

8

(0.279–0.924)

(0.525–0.829)

 

0.931

0.877

  1. PHY physical health and well-being, SOC social competence, EMO emotional maturity, LAN language and cognitive development, COM communication and general knowledge
  2. aJanus et al. 2005: Early Development Instrument: Factor structure, sub-domains and multiple challenge index