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We performed a two-stage review following the approaches advocated by the EPPI Centre: systematic mapping, followed by synthesis. First, we developed a descriptive map of interventions that were designed with the goal of improving German-language skills of children aged 3 years to school entry and are used in ECEC institutions (RQ1). Based on the subset of interventions that have been evaluated and a change or stability measured in children’s German-language skills, we synthesized relevant outcome data in order to gauge their effectiveness (RQ2).

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Review Method

  • 章节

  • 出版模式：

    开放获取

  • 发表日期：

    2025年

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  • Karin Zimmer,
  • Jan-Henning Ehm,
  • Susanne Kuger,
  • Jan Lonnemann,
  • Jolika Schulte,
  • Dominique Rauch,
  • Marcus Hasselhorn

摘要

We performed a two-stage review following the approaches advocated by the EPPI Centre: systematic mapping, followed by synthesis. First, we developed a descriptive map of interventions that were designed with the goal of improving German-language skills of children aged 3 years to school entry and are used in ECEC institutions (RQ1). Based on the subset of interventions that have been evaluated and a change or stability measured in children’s German-language skills, we synthesized relevant outcome data in order to gauge their effectiveness (RQ2).