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de Vries SL, Hoeve M, Asscher JJ, et al. The effects of the prevention program 'New Perspectives' (NP) on juvenile delinquency and other life domains: study protocol for a randomized controlled trial. BMC Psychol. 2014;2(1):10doi: 10.1186/2050-7283-2-10.
de Vries, S. L., Hoeve, M., Asscher, J. J., & Stams, G. J. (2014). The effects of the prevention program 'New Perspectives' (NP) on juvenile delinquency and other life domains: study protocol for a randomized controlled trial. BMC psychology, 2(1), 10. https://doi.org/10.1186/2050-7283-2-10
de Vries, Sanne L A, et al. "The effects of the prevention program 'New Perspectives' (NP) on juvenile delinquency and other life domains: study protocol for a randomized controlled trial." BMC psychology vol. 2,1 (2014): 10. doi: https://doi.org/10.1186/2050-7283-2-10
de Vries SL, Hoeve M, Asscher JJ, Stams GJ. The effects of the prevention program 'New Perspectives' (NP) on juvenile delinquency and other life domains: study protocol for a randomized controlled trial. BMC Psychol. 2014 Apr 16;2(1):10. doi: 10.1186/2050-7283-2-10. eCollection 2014. PMID: 25566382; PMCID: PMC4269998.
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BMC Psychol. 2014 Apr 16;2(1):10. doi: 10.1186/2050-7283-2-10. eCollection 2014.

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

BMC psychology

Sanne L A de Vries, Machteld Hoeve, Jessica J Asscher, Geert Jan Jm Stams

Affiliations

  1. Research Institute Child Development and Education, University of Amsterdam, Nieuwe Prinsengracht 130, Amsterdam, 1018 VZ The Netherlands.

PMID: 25566382 PMCID: PMC4269998 DOI: 10.1186/2050-7283-2-10

Abstract

BACKGROUND: New Perspectives (NP) is a prevention program aiming to prevent that youth at onset of a criminal career will develop a persistent criminal behaviour pattern. The effects of NP on juvenile delinquency and other life domains are investigated, using a randomized controlled trial (RCT).

METHOD/DESIGN: In the present study at-risk youth aged 12 to 23 years are assigned randomly to the intervention (N = 90, NP) or control condition consisting of care as usual (N = 90, CAU). After screening, random assignment, and consent to participate, adolescents and their parents are requested to complete questionnaires. Data are collected at four points in time: at baseline (before the start of the intervention), after 3 months, after 6 months (post-test) and 1 year after treatment (follow-up). Primary outcome measures include involvement in delinquent behaviour and recidivism. Secondary outcome measures include parenting behaviour, life events, prosocial behaviour, deviant and prosocial peers, externalizing behaviour, cognitive distortions, moral reasoning, self-worth, anxiety, depression, client satisfaction, therapeutic alliance and motivation. Standardized questionnaires and interviews are used to collect data. Moderator analyses will also be conducted in order to examine the influence of ethnic background, gender and age on the program effectiveness.

DISCUSSION: The present study will provide new insights in the effects of a prevention program targeting youth at risk for the development of a persistent criminal career.

TRIAL REGISTRATION: Dutch trial register number NTR4370. The study is financially supported by a grant from ZonMw, the Dutch Organization for Health research and Development, grant number 157004006. The study is approved by the Ethics Committee of the University of Amsterdam, approval number 2011-CDE-01.

Keywords: Adolescents; Care as usual; Delinquency; Effectiveness; Prevention; Randomized controlled trial (RCT)

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