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Updated: Jan 10, 2026

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Complex Intervention Programs Integrating Multiple Intervention Strategies Were Not More Effective than Active

Shoushi Wang1, Chunyang Zhang2, Jingyuan Huang1

  • 1Beijing Key Laboratory of Applied Experimental Psychology, National Demonstration Center for Experimental Psychology Education, Faculty of Psychology, Beijing Normal University, No.19 Xinjiekouwai Road, Haidian District, Beijing 100875, China.

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Complex psychological interventions for depression and sleep issues did not outperform reading mental health articles in a two-week trial. Combining strategies did not yield superior results compared to the active control group.

Keywords:
depressiononline complex psychological interventionrandomized controlled trial (RCT)sleep quality

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Area of Science:

  • Psychology
  • Mental Health
  • Clinical Trials

Background:

  • Complex psychological interventions show promise for depression and sleep problems.
  • Effectiveness compared to active controls requires further confirmation.

Purpose of the Study:

  • To evaluate a combined intervention (cognitive behavioral therapy, mindfulness, positive psychology) for depression and sleep quality.
  • To compare its effectiveness against an active control group (reading popular science articles).

Main Methods:

  • Two randomized controlled trials involving college students with depressive symptoms and sleep problems.
  • Intervention group received a multi-component psychological program; control group read mental health articles.
  • Interventions lasted two weeks, with assessments before, during, and after.

Main Results:

  • Both intervention and active control groups showed reductions in depression and sleep problems.
  • No significant difference in outcomes between the intervention and active control groups.
  • The trend of improvement over time was similar for both groups.

Conclusions:

  • Short-term, multi-strategy interventions were not superior to reading mental health articles for depression and sleep quality.
  • Combining evidence-based components does not automatically guarantee better outcomes.
  • Further research is needed to understand the efficacy of complex interventions.