Table 1 Concepts, instrument, and informants at the different assessment points

Primary outcome

YSR

x

x

x

x

x

CBCL

x

x

x

x

x

SDB

x

x

x

x

x

Out of home placement (case file)*

x

x

x

Out of home placement questionnaire

x

x

x

x

RAF GGZ Youth*

x

x

x

Convictions

x

x

Secondary outcome

Peilstation Middelengebruik

x

x

x

x

Substance use questionnaire

x

x

RAF GGZ Youth*

x

x

x

FAST Goal lists*

x

x

x

BPQ

x

x

x

x

x

FAST Goal lists*

x

x

x

Mechanism of change

PSQ

x

x

x

x

NRI

x

x

x

x

x

x

IPPA

x

x

x

x

x

NPSI

x

x

x

x

x

NPQ

x

x

x

x

x

x

Parenting Practices

x

x

x

x

x

x

PDI

x

x

x

x

x

x

PCS-YR

x

x

x

x

x

BITI

x

x

x

x

x

Moderator

Demographic questionnaire

x

x

x

x

ICU

x

x

x

APSD

x

x

x

Primary diagnosis (case file)

x

x

RAF GGZ Youth*

x

x

FAST evaluation form*

x

x

Treatment time registration

x

x

Direct treatment time

x

x

Relationship with Interventionist

x

x

x

x

TMS-F

x

x

x

x

PETS

x

x

Cooperation Scale

x

x

x

x