Table 3 D-study results: dependability coefficients (Φ) in alternative test situations for two types of TTE scores with the p x r x c all random design (D-study 1) and with the p x r x c raters fixed design (D-study 2)
From: Clinical assessment of transthoracic echocardiography skills: a generalizability study
D-study 1 | D-study 2 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
p x r x c, all random design (Eq. 2 ) | p x r x c, raters fixed (Eq. 4 ) | |||||||||
n cases \n raters | TTE global rating | TTE total checklist | TTE global rating | TTE total checklist | ||||||
1 | 2 | 3 | 1 | 2 | 3 | 1 | 2 | 1 | 2 | |
1 | 0.67 | 0.76 | 0.79 | 0.89 | 0.92 | 0.94 | 0.72 | 0.82 | 0.91 | 0.95 |
2 | 0.75 | 0.84 | 0.87 | 0.92 | 0.95 | 0.96 | 0.81 | 0.90 | 0.94 | 0.97 |
3 | 0.79 | 0.86 | 0.89 | 0.93 | 0.96 | 0.97 | 0.85 | 0.93 | 0.95 | 0.98 |
4 | 0.81 | 0.88 | 0.91 | 0.93 | 0.96 | 0.97 | 0.87 | 0.95 | 0.96 | 0.99 |
5 | 0.82 | 0.89 | 0.92 | 0.94 | 0.96 | 0.97 | 0.88 | 0.96 | 0.96 | 0.99 |