Table IV.
Generalizability coefficients at the therapist level for competence ratings by independent judges across various numbers of sessions and patients
| Number of sessions | ||||||
|---|---|---|---|---|---|---|
|
| ||||||
| 1 | 2 | 3 | 4 | 5 | 6 | |
|
| ||||||
| Number of patients per therapist | ||||||
| Supportive expressive therapy | ||||||
| 1 | 0.21 | 0.27 | 0.30 | 0.32 | 0.33 | 0.34 |
| 2 | 0.33 | 0.41 | 0.45 | 0.47 | 0.48 | 0.49 |
| 3 | 0.42 | 0.50 | 0.53 | 0.55 | 0.56 | 0.57 |
| 4 | 0.48 | 0.55 | 0.58 | 0.60 | 0.61 | 0.62 |
| 5 | 0.52 | 0.60 | 0.62 | 0.64 | 0.65 | 0.65 |
| 6 | 0.56 | 0.63 | 0.65 | 0.67 | 0.67 | 0.68 |
| 7 | 0.59 | 0.65 | 0.67 | 0.69 | 0.69 | 0.70 |
| 8 | 0.61 | 0.67 | 0.69 | 0.70 | 0.71 | 0.72 |
| 9 | 0.63 | 0.69 | 0.71 | 0.72 | 0.72 | 0.73 |
| 10 | 0.65 | 0.70 | 0.72 | 0.73 | 0.73 | 0.74 |
| 11 | 0.66 | 0.71 | 0.73 | 0.74 | 0.74 | 0.75 |
| 12 | 0.68 | 0.72 | 0.74 | 0.75 | 0.75 | 0.76 |
| 13 | 0.69 | 0.73 | 0.75 | 0.75 | 0.76 | 0.76 |
| 14 | 0.70 | 0.74 | 0.75 | 0.76 | 0.76 | 0.77 |
| Cognitive therapy | ||||||
| 1 | 0.35 | 0.45 | 0.49 | 0.52 | 0.53 | 0.54 |
| 2 | 0.49 | 0.59 | 0.63 | 0.65 | 0.67 | 0.68 |
| 3 | 0.57 | 0.66 | 0.70 | 0.72 | 0.73 | 0.74 |
| 4 | 0.61 | 0.70 | 0.73 | 0.75 | 0.77 | 0.77 |
| 5 | 0.64 | 0.73 | 0.76 | 0.78 | 0.79 | 0.80 |
| 6 | 0.66 | 0.75 | 0.78 | 0.79 | 0.80 | 0.81 |
| 7 | 0.68 | 0.76 | 0.79 | 0.81 | 0.82 | 0.82 |
| 8 | 0.70 | 0.77 | 0.80 | 0.82 | 0.83 | 0.83 |
| 9 | 0.71 | 0.78 | 0.81 | 0.82 | 0.83 | 0.84 |
| 10 | 0.72 | 0.79 | 0.81 | 0.83 | 0.84 | 0.84 |
| 11 | 0.72 | 0.79 | 0.82 | 0.83 | 0.84 | 0.85 |
| 12 | 0.73 | 0.80 | 0.83 | 0.84 | 0.85 | 0.85 |
| 13 | 0.73 | 0.80 | 0.83 | 0.84 | 0.85 | 0.86 |
| 14 | 0.74 | 0.81 | 0.83 | 0.85 | 0.85 | 0.86 |
| Individual drug counseling | ||||||
| 1 | 0.26 | 0.35 | 0.39 | 0.42 | 0.44 | 0.45 |
| 2 | 0.41 | 0.51 | 0.55 | 0.58 | 0.60 | 0.61 |
| 3 | 0.50 | 0.60 | 0.64 | 0.66 | 0.68 | 0.69 |
| 4 | 0.57 | 0.66 | 0.69 | 0.71 | 0.73 | 0.73 |
| 5 | 0.62 | 0.70 | 0.73 | 0.75 | 0.76 | 0.77 |
| 6 | 0.65 | 0.73 | 0.76 | 0.77 | 0.78 | 0.79 |
| 7 | 0.68 | 0.75 | 0.78 | 0.79 | 0.80 | 0.81 |
| 8 | 0.71 | 0.77 | 0.80 | 0.81 | 0.82 | 0.82 |
| 9 | 0.73 | 0.79 | 0.81 | 0.82 | 0.83 | 0.83 |
| 10 | 0.74 | 0.80 | 0.82 | 0.83 | 0.84 | 0.84 |
| 11 | 0.76 | 0.81 | 0.83 | 0.84 | 0.84 | 0.85 |
| 12 | 0.77 | 0.82 | 0.84 | 0.84 | 0.85 | 0.85 |
| 13 | 0.78 | 0.83 | 0.84 | 0.85 | 0.86 | 0.86 |
| 14 | 0.79 | 0.83 | 0.85 | 0.86 | 0.86 | 0.86 |
Note. Generalizability coefficients ≥ .80 are in bold.