Table 3.
Interpretation of statistical tests
Property | Statistical test | Value | Interpretation |
---|---|---|---|
Internal consistency reliability [65] | Cronbach’s α | >0.70 | Acceptable |
Test-retest reliability [66] | Intraclass Correlation Coefficient | >0.75 | Good reliability |
Concurrent/convergent validity [63] | Spearman’s rank correlation coefficient |
r ≤ 0.25 r = 0.26–0.49 r = 0.50–0.69 r = 0.70–0.89 r ≥ 0.90 |
Little if any correlation Low correlation Moderate correlation High correlation Very high correlation |