Table 3. Estimated percent variance explained in productivity indicators of narrative and expository writing tasks.

Variance Component	Number of Sentences		Number of Ideas
	Narrative	Expository	Narrative	Expository
Person	53	48	56	50
Rater	0	0	.1	0
Task	.2	2.5	.1	2.9
Person × Rater	0	0	0	0
Person × Task	45	48	43	46
Rater × Task	0	0	0	0
Residual	1.7	1.4	1.1	.8
G coefficient
Relative (G)	.77	.75	.79	.76
Absolute (Phi)	.77	.74	.79	.75

Note: Relative = Relative decision; Absolute = Absolute decision