: Data-Field 4935

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Data

234,845 items of data are available, covering 205,331 participants, encoded using Data-Coding 100643.
Defined-instances run from 0 to 3, labelled using Instancing 2.

Graph illustrating main data

Counts of participants/items last updated 30 Oct 2020.

4 Instances

Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
165,443 participants, 165,443 items
Graph illustrating main data

Instance 1 : First repeat assessment visit (2012-13)
20,111 participants, 20,111 items
Graph illustrating main data

Instance 2 : Imaging visit (2014+)
45,041 participants, 45,041 items
Graph illustrating main data

Instance 3 : First repeat imaging visit (2019+)
4,250 participants, 4,250 items
Graph illustrating main data

Notes

ACE touchscreen question "Add the following numbers together: 1 2 3 4 5 - is the answer?". Part 1 of Fluid Intelligence test.

Asked to choose from 13, 14, 15, 16 or 17.

3 Categories

Category ID	Description	Items
100000	Assessment Centre	+2145
100026	Cognitive function	+92
100027	Fluid intelligence / reasoning	16

2 Related Data-Fields

Field ID	Description	Relationship
20165	FI1 : numeric addition test	Current Field is the touchscreen equivalent of web-based Field 20165
20016	Fluid intelligence score	Field 20016 incorporates the score of correct values in Current Field

3 Resources

Preview	Name	Res ID
	Screenshot from touchscreen questionnaire used to capture field 4935	100447
	Fluid-intelligence measurement using ACE	100231
	Touchscreen questionnaire ordering, validation and dependencies	113241