Problem solving is a common focus of psychological interventions for young people. However, existing evidence syntheses are relatively limited in their scope and conclusions. Taking a transdiagnostic approach and incorporating diverse sources of evidence, we examined the role of problem solving as an active ingredient for the indicated prevention and treatment of depression and anxiety in 14–24-year-olds. Three information sources were integrated using framework synthesis: (1) a systematic review of randomized controlled trials of problem solving; (2) a metasynthesis of qualitative evidence on the therapeutic experience of problem solving; and (3) consultations with a Youth Advisory Group. Intervention protocols that included problem solving and no more than one other specific component appeared to be effective for depression but not anxiety. Larger multicomponent interventions with a problem-solving element achieved moderate effect sizes for both conditions. There was no clear evidence that effectiveness varied by population characteristics, intervention formats, or contextual factors. Qualitative evidence and youth consultations highlighted positive views about the practicality, simplicity, and flexibility of problem solving. Converging sources also suggested changes in problem orientation as a key transdiagnostic process contributing to positive outcomes. Problem solving is a widely applicable therapeutic approach that can help young people with emotional problems to resolve specific stressors and lead to a more hopeful mindset about managing future challenges. Implications for practice are discussed.

解决问题是青少年心理干预的共同重点。然而，现有证据综合的范围和结论相对有限。我们采用跨诊断方法并结合多种证据来源，研究了解决问题作为有效成分在 14-24 岁青少年抑郁和焦虑的预防和治疗中的作用。使用框架综合整合了三个信息源：（1）对解决问题的随机对照试验的系统评价；(2) 对解决问题的治疗经验的定性证据的综合综合；(3) 与青年咨询小组协商。包括解决问题和不超过一种其他特定成分的干预方案似乎对抑郁症有效，但对焦虑症无效。具有解决问题元素的更大的多成分干预在两种情况下都达到了中等的效果。没有明确的证据表明有效性因人群特征、干预形式或背景因素而异。定性证据和青年咨询强调了对解决问题的实用性、简单性和灵活性的积极看法。汇聚的消息来源还表明，问题导向的变化是一个关键的跨诊断过程，有助于产生积极的结果。解决问题是一种广泛适用的治疗方法，可以帮助有情绪问题的年轻人解决特定的压力源，并导致对管理未来挑战更有希望的心态。讨论了对实践的影响。