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Table 1 Instruments at different assessments and informants

From: The effects of the prevention program ‘New Perspectives’ (NP) on juvenile delinquency and other life domains: study protocol for a randomized controlled trial

Outcomes Concept Instrument Items Source Assessment
     A1 P2 S3 T1 T2 T3 T4
Primary Delinquency SRD 33 x    x x x x
Recidivism Officialª         
Secondary School/work situation Official         
Parenting behaviour PBQ 30 x x   x x x x
Parental monitoring VTH 6 x x   x x x x
Family functioning VGFO 28   x   x x x x
Life events VGFO 15   x   x x x x
Parental attachment IPPA 12 x    x x x x
Peer affiliations FFS 17 x    x x x x
Contact intensity peers BVL 5 x    x x x x
Prosocial behaviour PBQ 20 x    x x x x
Externalizing behaviour SEV 72   x   x x x x
Substance dependency CRAFFT 6 x    x x x x
Aggressive behaviour BDHI-D 35 x    x x x x
Depressive behaviour CDI-2 27 x    x x x x
Anxiety SCAS 45 x    x x x x
Cognitive distortions HIT 54 x    x x x x
Self-esteem CBSA 5 x    x x x x
Moral reasoning SRM-SF 11 x    x   x  
Intelligence GIT 40 x       x
Social desirability SDS 15 x    x x x x
Treatment Client satisfaction C-toets 22 x     x x  
Motivation VMB 12 x   x x x x  
Therapeutic alliance TASC 12 x   x   x x  
Program integrity      x   x   
Moderators Demographic factors Gender 1 x x   x    
Ethnicity 1 x x   x    
Education 1 x x   x    
Income 1   x   x    
   Living 1 x    x    
  1. 1A = adolescent; 2P = parent; 3S = social worker; ªRecidivism: Official reports about arrests and reoffending of Policy Database for Judicial Documentation; School/work: Official reports of local government (DMO and DWI) about registration, truancy and drop-out.