Table 2.

Mean psychometric test scores as a function of CDR status

	CDR 0	CDR 0.5
	M (SD)	M (SD)
n	35	33
Animal Naming	18.80 (7.35)*	15.12 (5.34)*
Word Fluency	29.54 (10.05)	26.21 (9.16)
Associative Memory	15.07 (3.78)**	10.33 (4.72)**
Selective Reminding Test	29.69 (5.96)**	16.70 (9.33)**
Digit Forwards	6.51 (1.52)	6.36 (1.17)
Digit Backwards	4.94 (1.64)	4.55 (1.25)
Digit Symbol	43.80 (13.31)	39.00 (11.62)
Boston Naming Test	56.63 (3.26)**	52.42 (6.52)**
Crossing Off	169.66 (40.19)**	144.85 (30.44)**

Note. Differences between CDR 0’s and .5’s are indicated by

^*p < .05,

^**p < .01.