: Data-Field 6362

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Data

75,581 items of data are available, covering 68,471 participants, encoded using Data-Coding 500.
Defined-instances run from 2 to 3, labelled using Instancing 2.

Category	Count
[2,4,6,1,3,5,7,0] fixed training test	0
[5,0,3,6,1,2,4,7]	2557
[1,3,5,7,4,6,0,2]	2416
[4,5,6,7,3,0,2,1]	2363
[1,4,6,7,2,3,0,5]	2292
[4,5,1,3,7,2,6,0]	2305
[3,5,2,0,4,6,1,7]	2456
[6,3,7,2,4,5,0,1]	2435
[1,4,5,6,0,7,2,3]	2364
[3,4,2,5,6,0,7,1]	2348
[2,5,3,0,7,1,6,4]	2346
[3,6,4,1,0,5,7,2]	2195
[5,3,2,0,4,1,7,6]	2378
[2,3,4,1,7,5,0,6]	2360
[4,3,1,5,2,0,6,7]	2283
[3,5,0,1,4,7,2,6]	2456
[4,2,1,0,6,7,5,3]	2345
[0,2,3,7,1,4,6,5]	2380
[7,1,2,4,0,6,5,3]	2360
[5,1,7,3,2,4,0,6]	2409
[7,6,4,5,0,2,3,1]	2331
[2,6,1,4,5,7,0,3]	2318
[4,0,6,1,3,7,5,2]	2282
[5,6,0,7,3,2,1,4]	2303
[6,5,1,3,0,4,7,2]	2352
[4,1,7,2,5,6,3,0]	2409
[5,2,0,6,7,4,1,3]	2363
[3,0,5,6,7,2,4,1]	2320
[3,2,5,4,7,0,6,1]	2339
[0,6,7,5,1,2,3,4]	2256
[4,3,1,0,6,5,2,7]	2348
[5,4,6,7,1,0,2,3]	2475
[0,4,7,2,3,1,5,6]	2437
[2,0,1,5,6,7,4,3]	0

2 Instances

Instance 2 : Imaging visit (2014+)
67,094 participants, 67,094 items

Category	Count
[2,4,6,1,3,5,7,0] fixed training test	0
[5,0,3,6,1,2,4,7]	2284
[1,3,5,7,4,6,0,2]	2150
[4,5,6,7,3,0,2,1]	2091
[1,4,6,7,2,3,0,5]	2033
[4,5,1,3,7,2,6,0]	2025
[3,5,2,0,4,6,1,7]	2168
[6,3,7,2,4,5,0,1]	2184
[1,4,5,6,0,7,2,3]	2078
[3,4,2,5,6,0,7,1]	2078
[2,5,3,0,7,1,6,4]	2082
[3,6,4,1,0,5,7,2]	1937
[5,3,2,0,4,1,7,6]	2140
[2,3,4,1,7,5,0,6]	2074
[4,3,1,5,2,0,6,7]	2033
[3,5,0,1,4,7,2,6]	2173
[4,2,1,0,6,7,5,3]	2092
[0,2,3,7,1,4,6,5]	2120
[7,1,2,4,0,6,5,3]	2109
[5,1,7,3,2,4,0,6]	2156
[7,6,4,5,0,2,3,1]	2077
[2,6,1,4,5,7,0,3]	2046
[4,0,6,1,3,7,5,2]	2024
[5,6,0,7,3,2,1,4]	2046
[6,5,1,3,0,4,7,2]	2086
[4,1,7,2,5,6,3,0]	2136
[5,2,0,6,7,4,1,3]	2102
[3,0,5,6,7,2,4,1]	2050
[3,2,5,4,7,0,6,1]	2084
[0,6,7,5,1,2,3,4]	2008
[4,3,1,0,6,5,2,7]	2072
[5,4,6,7,1,0,2,3]	2200
[0,4,7,2,3,1,5,6]	2156
[2,0,1,5,6,7,4,3]	0

Instance 3 : First repeat imaging visit (2019+)
8,487 participants, 8,487 items

Category	Count
[2,4,6,1,3,5,7,0] fixed training test	0
[5,0,3,6,1,2,4,7]	273
[1,3,5,7,4,6,0,2]	266
[4,5,6,7,3,0,2,1]	272
[1,4,6,7,2,3,0,5]	259
[4,5,1,3,7,2,6,0]	280
[3,5,2,0,4,6,1,7]	288
[6,3,7,2,4,5,0,1]	251
[1,4,5,6,0,7,2,3]	286
[3,4,2,5,6,0,7,1]	270
[2,5,3,0,7,1,6,4]	264
[3,6,4,1,0,5,7,2]	258
[5,3,2,0,4,1,7,6]	238
[2,3,4,1,7,5,0,6]	286
[4,3,1,5,2,0,6,7]	250
[3,5,0,1,4,7,2,6]	283
[4,2,1,0,6,7,5,3]	253
[0,2,3,7,1,4,6,5]	260
[7,1,2,4,0,6,5,3]	251
[5,1,7,3,2,4,0,6]	253
[7,6,4,5,0,2,3,1]	254
[2,6,1,4,5,7,0,3]	272
[4,0,6,1,3,7,5,2]	258
[5,6,0,7,3,2,1,4]	257
[6,5,1,3,0,4,7,2]	266
[4,1,7,2,5,6,3,0]	273
[5,2,0,6,7,4,1,3]	261
[3,0,5,6,7,2,4,1]	270
[3,2,5,4,7,0,6,1]	255
[0,6,7,5,1,2,3,4]	248
[4,3,1,0,6,5,2,7]	276
[5,4,6,7,1,0,2,3]	275
[0,4,7,2,3,1,5,6]	281
[2,0,1,5,6,7,4,3]	0

Notes

The tests were described by an outer array of 32 symbol-digit arrays each containing the digits 0-7. To present some element of unpredictability between participants, each run of the program chose a random starting point in the outer array and presented tests from that point onwards (looping back to the origin if required). The outer array was zero-indexed, so that a value of 0 in this field means that the first symbol-digit array was used for the Coding array.

To illustrate, suppose a participant was allocated the value 5 for their start array. Then round 1 would use Array 4 [values 4,5,1,3,7,2,6,0] for the Code and Array 5 [3,5,2,0,4,6,1,7] for the Test. Round 2 would still use Array 4 for the Code but Array 6 [6,3,7,2,4,5,0,1] for the test etc.

The test arrays are listed below, and also in Data-Coding 500 with the symbol dictionary shown in Resource 111.

0) 5,0,3,6,1,2,4,7
1) 1,3,5,7,4,6,0,2
2) 4,5,6,7,3,0,2,1
3) 1,4,6,7,2,3,0,5
4) 4,5,1,3,7,2,6,0
5) 3,5,2,0,4,6,1,7
6) 6,3,7,2,4,5,0,1
7) 1,4,5,6,0,7,2,3
8) 3,4,2,5,6,0,7,1
9) 2,5,3,0,7,1,6,4
10) 3,6,4,1,0,5,7,2
11) 5,3,2,0,4,1,7,6
12) 2,3,4,1,7,5,0,6
13) 4,3,1,5,2,0,6,7
14) 3,5,0,1,4,7,2,6
15) 4,2,1,0,6,7,5,3
16) 0,2,3,7,1,4,6,5
17) 7,1,2,4,0,6,5,3
18) 5,1,7,3,2,4,0,6
19) 7,6,4,5,0,2,3,1
20) 2,6,1,4,5,7,0,3
21) 4,0,6,1,3,7,5,2
22) 5,6,0,7,3,2,1,4
23) 6,5,1,3,0,4,7,2
24) 4,1,7,2,5,6,3,0
25) 5,2,0,6,7,4,1,3
26) 3,0,5,6,7,2,4,1
27) 3,2,5,4,7,0,6,1
28) 0,6,7,5,1,2,3,4
29) 4,3,1,0,6,5,2,7
30) 5,4,6,7,1,0,2,3
31) 0,4,7,2,3,1,5,6

The first round (attempts 0-7) used a constant fixed pattern [2,4,6,1,3,5,7,0] for the Code Array and [7,1,5,4,6,0,3,2] for the test Array for all participants.

1 Related Data-Field

Field ID	Description	Relationship
20196	First code array presented	Field 20196 is the online equivalent of Current Field

3 Resources

Preview	Name	Res ID
	Instructions for symbol-digit test	5021
	Symbol digit images	111
	Symbol-digit practise screen	5022

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