Table 3.

Test-Retest Reliabilities and T-Tests of CANS-MCI at Baseline, 1-and 6-Months

	Time 1	Time 2	Time 3
	Baseline	1-month	6-month	Coefficient	Time	Coefficient	Time 2-
CANS-MCI Test	Mean (SD)	Mean (SD)	Mean (SD)	Alpha 1–2	1–2 t	Alpha 2–3	3 t
General Reaction Time	.77 (.21)	.73 (.17)	.74 (.16)	.702	3.6‡	.620	−.92
Word-to-Picture Matching (Latency)	2.0 (.55)	1.9 (.50)	1.9 (.54)	.825	6.1‡	.704	−1.6
Design Matching	39.4 (9.7)	41.4 (8.9)	41.7 (8.6)	.820	−6.5‡	.839	−.52
Stroop (Discordant Latency)	1.67 (.49)	1.61 (.52)	1.62 (.51)	.795	4.0‡	.801	−.06
Clock Hand Placement	30.7 (9.7)	32.9 (8.9)	33.4 (9.3)	.792	−5.5‡	.759	−1.0
Free Recognition I	17.7 (2.1)	18.1 (1.9)	18.1 (2.0)	.681	−3.7‡	.760	−.79
Guided Recognition I (Errors)	2.9 (5.5)	2.0 (4.6)	2.3 (4.9)	.766	3.1†	.895	.16
Guided Recognition I (Percent Correct)	.86 (.16)	.90 (.14)	.90 (.14)	.383	−2.6*	.574	−.96
Free Recognition II	17.6 (2.3)	17.8 (2.3)	17.8 (2.3)	.609	−2.3*	.677	.16
Free Recognition I & II	35.4 (4.0)	35.9 (3.9)	35.9 (4.0)	.738	−3.7‡	.826	−.32
Picture Naming	31.7 (4.8)	32.0 (4.9)	32.3 (4.8)	.788	−3.1†	.806	−.83
Picture Naming (Latency)	4.4 (1.1)	4.1 (1.1)	4.1 (1.1)	.822	7.3‡	.834	.16

^*p<.05

^†p<.01

^‡p<.001