Data
246,391 items of data are available, covering 212,083 participants, encoded using Data-Coding
100644.
Defined-instances run from 0 to 3, labelled using Instancing
2.
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
165,028 participants, 165,028 items
Instance 1 : First repeat assessment visit (2012-13)
20,078 participants, 20,078 items
Instance 2 : Imaging visit (2014+)
56,314 participants, 56,314 items
Instance 3 : First repeat imaging visit (2019+)
4,971 participants, 4,971 items
Notes
ACE touchscreen question "Which number is the largest?". Part 2 of Fluid Intelligence test.
Asked to choose from 642, 308, 987, 714 and 253.