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Table 6 Reliability of the GEDI-SR scale

From: Development and validation of a self-regulation scale within the German version of the Early Development Instrument

 

age

N

Cronbach's alpha

Internal consistency

3 y

46

0.92

4 y

65

0.9

5 y

55

0.92

6 y

18

0.89

overall

184

0.92

  

N (pairs)

ICCs (CI)

Test–retest reliability

across age groups

25

0.85 (0.71 to 0.93)

Interrater reliability

17

0.71 (0.43 to 0.89)