Wave W1  (CAP) W2  (CAP) W3  (CAP) W3  (NICAP) W4  (CAP) W4  (NICAP) W5  (CAP) W5  (NICAP)
Baseline / screening 18 month
follow-up
36 month
follow-up
NICAP
wave 1
Wave 4
follow-up
NICAP
wave 2
Wave 5
follow-up
NICAP
wave 3
Age 7 years 8.5 years 10 years 10 years 11.5 years 11.5 years 13 years 13 years
Year 2011 – 2012 2013 – 2014 2014 – 2016 2014 – 2016 2016 – 2017 2016 – 2017 2018 – 2019 2018 – 2019
Literacy O:WRAT4 O:WRAT4 O:WRAT4 O:WRAT4 O:WRAT4
Language O:CELF-4 S O:CELF-4 S O:CELF-4 S O:CELF-4 S O:CELF-4 S
Communication O:SCQ
P:SSIS
T:SSIS
O:SCQ
P:SSIS
T:SSIS
O:SCQ
P:SSIS
T:SSIS
O:SCQ
P:SSIS
T:SSIS
O:SCQ
P:SSIS

Featured measurements

CELF: Clinical Evaluations of Language Fundamentals (various editions)
SCQ: Social Communication Questionnaire
SSIS: Social Skills Improvement System
WRAT4: Wide Range Achievement Test 4

Notes

CELF-4 S: Clinical Evaluation of Language Fundamentals Screening Test – Fourth edition

Legend

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)