Table 5.

Relative and absolute reliability indices of discourse factors

Discourse factor	Time 1	Time 2
	Mean (SD)	Mean (SD)	α	r	ICC	Mean diff (bias)	SDdiff between subject	t	p-Value	95%CI LBa	95%CI UBb	Within subject variance	SEMc	CRd
Lexical	−0.02 (1)	0.07 (1)	0.77	0.62	0.76	0.09	0.85	−1.2	.25	−1.8 (−2.1–(−)1.5)	1.7 (1.4–1.9)	0.37	0.08	0.23
Semantic	−0.01 (1)	−0.02 (1)	0.50	0.33	0.49	0.02	1.19	0.2	.86	−2.2 (−2.6–(−)1.9)	2.9 (.2–1.9)	0.71	0.11	0.32
Syntax	−0.05 (1)	0.01 (1)	0.49	0.32	0.49	0.07	1.19	−0.6	.56	−0.29 (−2.7–(−)1.9)	2.9 (1.9–2.3)	0.70	0.11	0.32
Fluency	0.26 (1.1)	0.06 (1)	0.69	0.52	0.68	0.20	1.03	2.0	.05	−1.8 (−2.1–(−)1.5)	2.1 (1.8–2.4)	0.55	0.10	0.28

^a95% Confidence interval, lower bound. ^b95% confidence interval, upper bound. ^cStandard error of the mean. ^dCoefficient of repeatability, 2.77*SEM.