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Table 4 Means and SDs of the WFIRS-S domains and total scale in test and retest and test–retest reliability coefficients (n = 28)

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

WFIRS-S

Test

Retest

 

Mean

SD

Mean

SD

r

Family

.24

.36

.33

.49

0.66*

School

.20

.24

.25

.23

0.74*

Life skills

.47

.31

.58

.32

0.68*

Self-concept

.24

.38

.26

.53

0.61*

Social activities

.19

.26

.19

.32

0.60*

Risky activities

.06

.12

.10

.21

0.90*

Total

.24

.19

.30

.26

0.77*

  1. WFIRS-P = Weiss Functional Impairment Rating Scale-Parent Report
  2. SD = standard deviation, r = Pearson’s correlation coefficient, *p < .0