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Table 1 Demographic information for all participants (standard deviations and range in parentheses)

From: Ecological validity of don’t remember and don’t know for distinguishing accessibility- versus availability-based retrieval failures in older and younger adults: knowledge for news events

 

Wave 1

Wave 2

Younger adults

Older adults

Younger adults

Older adults

Age

18.94 (1.06; 18–22)

72.19 (5.37; 63–85)

19.24 (1.11; 18–22)

71.27 (6.64; 62–97)

Shipley vocabulary

32.75 (3.08; 25–38)

35.63 (3.64; 27–40)

28.98 (3.84; 22–35)

35.02 (4.12; 22–39)

MMSE

29.40 (1.04; 26–30)