Data collection modes by wave

Summary of the data collection instruments used in each wave
Questionnaire Mode Completed by Indicator Variable W1 W2 W3 W4 W5 W6

Face-to-Face Interview (F2F)

Paper

Parent 1

N/A

BK

-

-

-

-

-

Face-to-Face Interview (F2F)

Computer

Parent 1

N/A

-

BK

BK

BK

BK

BK

Parent 1 during interview (P1D)

Paper

Parent 1

[*]p1dd

BK

BK

BK

-

-

-

Parent 1 during interview (CASI)

Computer

Parent 1

[*]p1dd

-

-

-

BK

BK

BK

Parent 1 Leave behind (P1L)

Paper

Parent 1

[*]p1scd

BK

BK

BK

-

-

-

Parent 2 Leave behind (P2L)

Paper

Parent 2

*]p2scd

BK

BK

BK

BK

BK

BK

Child Self Report (CSR)

Computer

Study Child

[*]csrd

-

K

K

B

BK

BK

Audio Computer Assisted Interview (ACASI)

Computer

Study Child

Need consent from: P1 [*]id40e & SC [*]id40f

-

-

-

K

K

K

Time Use Diary (TUD)

Paper

Parent 1

N/A

BK

BK

BK

-

-

-

Time Use Diary (TUD)

Computer

Study Child

Need consent from: P1 [*]id40i & SC [*]id40j

-

-

-

K

K

K

Parent Living Elsewhere (PLE)

Paper - mailed out

PLE

[*]plescd

-

BK

-

-

-

-

Parent Living Elsewhere (PLE CATI)

Computer/ Telephone

PLE

[*]plescd

-

-

BK

BK

BK

BK

Home-Based Carer (HBC)

Paper

Carer

[*]hbccbc

B

B

-

-

-

-

Centre-Based Carer (CBC)

Paper

Carer

[*]hbccbc

B

B

-

-

-

-

Teacher Questionnaire (TQ)

Paper

Teacher

[*]tcd

K

K

BK

BK

BK

BK

Physical Measurements (PM)

Computer

Study Child

Need consent from: P1 [*]id30d & SC [*]id30e

BK

BK

BK

BK

BK

BK

Who Am I (WAI)

Computer

Study Child

cid44a1

K

-

B

-

-

-

PPVT Assessment (PPVT)

Computer

Study Child

[*]ppvtd

K

K

BK

B

B

-

Matrix Reasoning (MR)

Computer

Study Child

[*]id44a1

-

K

K

BK

B

B

Study Child Blood Pressure (BP)

Computer

Study Child

Need consent from: P1 [*]id47a & SC [*]id47b

-

-

-

K

K

B

Interviewer Observations (IOBS)

Computer

Interviewer

 

BK

BK

BK

BK

BK

BK

Executive functioning (EXEC - CogSTATE)

Computer

Study Child

[*]id40m [*]id40n

-

-

-

-

-

K

Notes: The indicator variable can be used to see if data is present or not for a particular instrument (for more information see sections 8.6 & 8.7). The [*] in the indicator variable should be replaced by the age indicator (a, c, d, e, f, g or h) as discussed below. In-between waves were administered using mail out surveys for Waves 1.5, 2.5 and 3.5. Waves 4.5 and 5.5 used online web forms to update contact details.

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