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Evaluation of the Incredible Years Series - an open study of its effects when first introduced in Sweden

Ulf Axberg1, Kjell Hansson, Anders G Broberg

  • 1Department of Psychology, Göteborg University, Göteborg, SE-405 30, Sweden. ulf.axberg@psy.gu.se

Nordic Journal of Psychiatry
|April 25, 2007
PubMed

Insights

The Incredible Years Series (IYS) parent-training program effectively reduced behavior management problems in children aged 3-9 in Sweden. Mothers also reported improved psychological well-being after the program.

Area of Science:

  • Child Psychology
  • Behavioral Therapy
  • Parent Training Programs

Background:

  • Behavior management problems (BMP) affect 4-12% of children and are linked to long-term psychosocial issues.
  • Persistent antisocial behavior in children requires effective intervention strategies.
  • Structured parent-training programs are the most effective treatment for childhood BMP.

Purpose of the Study:

  • To evaluate the effectiveness of the Incredible Years Series (IYS) parent-training program in diverse Swedish clinical settings.
  • To assess the impact of IYS on children's behavior management problems and mothers' psychological well-being.
  • To determine if IYS is effective when implemented by group leaders undergoing training.

Main Methods:

  • A manual-based parent-training program, the Incredible Years Series (IYS), was implemented in Sweden.
  • 113 parents of children aged 3-9 participated in the study.
  • Parents completed questionnaires on child symptoms and maternal well-being pre- and post-intervention.

Main Results:

  • Significant reductions in children's behavior management problems were observed across all measures.
  • Mothers reported a significant increase in their self-rated psychological well-being.
  • The IYS program demonstrated effectiveness in a real-world clinical setting in Sweden.

Conclusions:

  • The Incredible Years Series (IYS) is an effective intervention for childhood behavior management problems in Sweden.
  • The program benefits not only children but also improves maternal psychological well-being.
  • Manualized, evidence-based programs are crucial for successful implementation of new therapeutic models.

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