Year 2012 2012 2012 – 2013 2013 2014
Wave W1 N/A W2 W3 W4
Time point Baseline/screening Intervention 6 months 12 months 24 months
Group Whole cohort RCT RCT RCT Whole cohort
# 1802 452 Whole cohort: 1269 (RCT: 397)
Memory assessment O:AWMA-S O:AWMA O:AWMA O:AWMA
Working memory training S:Cogmed 1
RA undertaking assessment X X X
RA incidentally unblinded 2 X X X

Featured measurements

AWMA-S: Automated Working Memory Assessment - Screen
AWMA: Automated Working Memory Assessment
Cogmed: Cognitive training program


1 8 subtests with 15 variables per subtest per day for 25 days were recorded during the intervention training

2 RAs were asked after each assessment whether they could determine which group the participant had been assigned (e.g. if participant mentioned group, etc)


A = Administration report abstraction
C = Index child report (reporting on others)
L = Linkage (to other databases)
M = Medical records data abstraction
O = Observation/direct assessment
N = Nurse report
P = Parent/primary caregiver report
Pe = Peer report
S = Self report
T = Teacher report
X = Undefined
X BF = Pertaining to biological father
X BM = Pertaining to biological mother
C = Pertaining to index child
X F = Pertaining to father
X Fam = Pertaining to family
X G = Pertaining to grandparent(s)
X M = Pertaining to mother
X P = Pertaining to parent(s)
X Pa = Pertaining to partner
X Pe = Pertaining to peers
X Pr = Pertaining to primary caregiver
X Si = Pertaining to sibling(s)