: Data-Field 4257

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Data

813,164 items of data are available, covering 90,873 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
51,614 participants, 418,943 items
Too few values for statistical summary.

Instance 2 : Imaging visit (2014+)
42,959 participants, 352,459 items
Too few values for statistical summary.

Instance 3 : First repeat imaging visit (2019+)
4,995 participants, 41,762 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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