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Table 2 G-study results: estimated variance components with the p x c x r design for two types of scores

From: Clinical assessment of transthoracic echocardiography skills: a generalizability study

  TTE global rating scores TTE total checklist scores
VC Estimate SE % of total d.f. Estimate SE % of total d.f.
P 0.949 0.487 66.6 8 11398.458 5220.439 88.8 8
R 0.000 0.016 0.0 1 339.363 313.301 2.6 1
C 0.028 0.050 1.9 2 215.851 187.863 1.7 2
pr 0.144 0.092 10.1 8 258.600 179.965 2.0 8
pc 0.102 0.069 7.1 16 232.329 157.676 1.8 16
rc 0.032 0.037 2.3 2 0.000 34.302 0.0 2
prc,e 0.171 0.057 12.0 16 394.993 131.664 3.1 16
  1. TTE = transthoracic echocardiography, VC = variance components, SE = standard error, d.f. = degrees of freedom.