: Data-Field 4257

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Data

813,905 items of data are available, covering 90,953 participants.
Defined-instances run from 0 to 3, labelled using Instancing 2.
Array indices run from 0 to 15.

Average length is 7.5 characters, longest is 164.

3 Instances

Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
51,650 participants, 419,242 items
Too few values for statistical summary.

Instance 2 : Imaging visit (2014+)
43,007 participants, 352,870 items
Too few values for statistical summary.

Instance 3 : First repeat imaging visit (2019+)
4,999 participants, 41,793 items
Too few values for statistical summary.

Notes

This records the actual keys touched by the participant while entering a number, including edits/deletions.

0 Related Data-Fields

There are no related data-fields

3 Resources

Preview	Name	Res ID
	Screenshot of numeric memory test	10
	The 'reverse number recall' test of memory within ACE	6
	Video demonstrating numeric memory test	100217

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