Table 1.

Overview of assessments.

Assessment	Pretreatment	During treatment	Posttreatment	Follow-up 3 months	Follow-up 6 months
CY-BOCSa	IEb	N/Ac	IE	IE	IE
CGI-Sd	IE	N/A	IE	IE	IE
CGI-Ie	N/A	N/A	IE	IE	IE
CGASf	Therapist	N/A	Therapist	Therapist	Therapist
COIS-Rg	Child and parent	N/A	Child and parent	Child and parent	Child and parent
FASh	Parent	N/A	Parent	Parent	Parent
CBCLi	Parent	N/A	Parent	N/A	Parent
YSRj	Child (≥11 years)	N/A	Child (≥11 years)	N/A	Child (≥11 years)
SCAREDk	Child and parent	N/A	Child and parent	Child and parent	Child and parent
MFQl	Child and parent	N/A	Child and parent	Child and parent	Child and parent
SDQm	Child and parent	N/A	Child and parent	Child and parent	Child and parent
KINDL	Child and parent	N/A	Child and parent	Child and parent	Child and parent
CSQ-8n	N/A	N/A	Child and parent	N/A	N/A
Treatment evaluation questionnaire	N/A	N/A	Child and parent	N/A	N/A
BTPSo (modified version)	N/A	N/A	Child and parent	N/A	N/A
TiC-Pp	Parent	N/A	Parent	Parent	Parent
Session integrity form	N/A	Therapist	N/A	N/A	N/A

^aCY-BOCS: Children’s Yale-Brown Obsessive-Compulsive Scale.

^bIE: independent evaluator.

^cN/A: not applicable.

^dCGI-S: Clinical Global Impressions Scale-Severity.

^eCGI-I: Clinical Global Impressions Scale-Improvement.

^fCGAS: Children’s Global Assessment Scale.

^gCOIS-R: Child Obsessive-Compulsive Impact Scale-Revised.

^hFAS: Family Accommodation Scale for obsessive-compulsive disorder.

ⁱCBCL: Child Behavior Checklist.

^jYSR: Youth Self-Report Questionnaire.

^kSCARED: Screen for Child Anxiety-Related Emotional Disorders.

^lMFQ: Mood and Feelings Questionnaire.

^mSDQ: Strengths and Difficulties Questionnaire.

ⁿCSQ-8: Client Satisfaction Questionnaire-8.

^oBTPS: Barriers to Treatment Participation Scale.

^pTiC-P: Trimbos/iMTA Questionnaire for Costs associated with Psychiatric Illness.