From: Administering the MADRS by telephone or face-to-face: a validity study
Variance components | Percentages of total (%) | Estimates of the variance components | |
---|---|---|---|
Full scale | Patients | 29.8 | 0.824 |
Assessment Modea | 5.7 | 0.157 | |
Measurement errorb | 35.2 | 0.973 | |
Residual error | 29.4 | 0.814 | |
Item 2 to 10 | Patients | 28.7 | 0.808 |
Assessment Mode | 5.5 | 0.154 | |
Measurement error | 38.0 | 1.074 | |
Residual error | 27.8 | 0.783 | |
Combined model | Patients | 34.5 | 0.958 |
Test length by Mode | 0.8 | 0.02 | |
Measurement + Residual error | 64.8 | 1.80 |