The affectability of writing assessment scores: a G-theory analysis of rater, task, and scoring method contribution

Language Testing in Asia

Table 9 D-study (rater)

	G-study (6 raters)	2 raters	4 raters	8 raters	10 raters	12 raters
Observ.	4320	720	1440	2880	3600	4320
Coef_G rel.	0.85709	0.66656	0.79993	0.88884	0.90905	0.92304
Rounded	0.86	0.67	0.80	0.89	0.91	0.92
Coef_G abs.	0.85709	0.66656	0.79993	0.88884	0.90905	0.92304
Rounded	0.86	0.67	0.80	0.89	0.91	0.92
Rel. Err. Var.	0.76578	2.29733	1.14867	0.57433	0.45947	0.38289
Rel. Std. Err. Of M.	0.87509	1.51570	1.07176	0.75785	0.67784	0.61878
Abs. Err. Var.	0.76578	2.29733	1.14867	0.57433	0.45947	0.38289
Abs. Std. Err. of M.	0.87509	1.51570	1.07176	0.75785	0.67784	0.61878