: Data-Field 4990

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Data

246,529 items of data are available, covering 202,478 participants, encoded using Data-Coding 100648.
Defined-instances run from 0 to 3, labelled using Instancing 2.

Graph illustrating main data

4 Instances

Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
142,035 participants, 142,035 items
Graph illustrating main data

Instance 1 : First repeat assessment visit (2012-13)
18,098 participants, 18,098 items
Graph illustrating main data

Instance 2 : Imaging visit (2014+)
75,201 participants, 75,201 items
Graph illustrating main data

Instance 3 : First repeat imaging visit (2019+)
11,195 participants, 11,195 items
Graph illustrating main data

Notes

ACE touchscreen question "If sixty is more than half of seventy-five, multiply twenty-three by three. If not subtract 15 from eighty-five. Is the answer?". Part 6 of Fluid Intelligence test.

Offered choice from 68, 69, 70, 71, 72.

3 Related Data-Fields

Field ID	Description	Relationship
20175	FI6 : conditional arithmetic	Current Field is the touchscreen equivalent of web-based Field 20175
4991	FI6 : duration viewed	Current Field is the time taken to answer Field 4991
20016	Fluid intelligence score	Field 20016 incorporates the score of correct values in Current Field

3 Resources

Preview	Name	Res ID
	Fluid-intelligence measurement using ACE	100231
	Screenshot from touchscreen questionnaire used to capture field 4990	100452
	Touchscreen questionnaire ordering, validation and dependencies	113241

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