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Table 3 Internal Consistency for WFIRS-P (n = 282)

From: Descriptive and psychometric properties of the Persian version of the Weiss functional impairment rating scale: parent report form in Iranian children

WFIRS-P

Number of items

α

Family

10

0.81

School

10

0.74

Life skills

10

0.62

Child’s Self-concept

3

0.72

Social activities

7

0.72

Risky activities

10

0.42

Total

50

0.88

  1. WFIRS-P = Weiss Functional Impairment Rating
  2. Scale-Parent Report
  3. α = Cronbach’s alpha coefficient