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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