Participant Counts, Means, and Standard Deviations for Education, Vocabulary, Digit Span, and Animals Recalled by Age Decade

Age range	No.	Education		Vocabulary		Digit span		Animals recalled
		M	SD	M	SD	M	SD	M	SD
29–39	8	15.9	2.9	41.5	7.4	17.5	3.6	18.3	4.2
40–49	13	14.3	2.0	45.0	14.5	16.8	2.7	19.7	6.8
50–59	16	15.7	2.2	43.5	14.7	16.1	4.8	18.2	5.4
60–69	62	15.3	2.3	44.6	10.9	17.1	4.7	17.5	5.1
70–79	65	15.5	2.7	43.4	12.6	16.4	4.2	16.5	4.8
80–89	18	13.8	2.9	34.0	16.8	15.1	3.9	12.8	4.6
92–99	3	13.3	4.2	40.7	14.6	15.3	3.2	10.0	3.6