Table 2 Results of intra-rater and inter-rater agreements of the test-retest reliability of the PEF
From: Reliability of the performance-based measure of executive functions in people with schizophrenia
Variable | Domain | Mean1 (SD1) | Mean2 (SD2) | ICC (95%CI) | MDC (MDC%) | Correlationa | t value (p value) |
|---|---|---|---|---|---|---|---|
Intra-rater (n = 60) | Volition | 59.4 (16.8) | 60.0 (16.2) | 0.92 (0.87,0.95) | 13.0 (13.0%) | 0.10 | 0.69 (0.490) |
Planning | 47.2 (14.8) | 47.4 (14.1) | 0.91 (0.85,0.94) | 12.2 (16.4%) | 0.11 | 0.23 (0.822) | |
Purposive action | 58.2 (16.7) | 62.2 (17.2) | 0.88 (0.75,0.94) | 16.2 (16.2%) | 0.07 | 4.21 (0.000)* | |
Effective performance | 46.7 (18.3) | 49.4 (18.2) | 0.90 (0.82,0.94) | 16.3 (18.8%) | 0.01 | 2.67 (0.010)* | |
Inter-rater (n = 60) | Volition | 58.9 (14.7) | 61.5 (13.7) | 0.84 (0.73,0.90) | 15.8 (15.8%) | 0.14 | 2.63 (0.011)* |
Planning | 47.2 (16.4) | 48.2 (13.9) | 0.83 (0.73,0.89) | 17.4 (20.0%) | 0.29 | 0.92 (0.359) | |
Purposive action | 59.7 (17.2) | 63.2 (18.5) | 0.82 (0.71,0.89) | 20.9 (20.9%) | 0.13 | 2.61 (0.011)* | |
Effective performance | 48.0 (18.7) | 50.4 (21.0) | 0.89 (0.81,0.93) | 18.6 (18.6%) | 0.25 | 1.98 (0.052) |