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Guided Web-Based Cognitive Behavior Therapy for Perfectionism: Results From Two Different Randomized Controlled

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Internet-based cognitive behavioral therapy significantly reduced perfectionism and improved mental health in trials from Sweden and the UK. Follow-up data show lasting benefits, suggesting this therapy is a promising treatment for perfectionism.

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Area of Science:

  • Psychology
  • Clinical Psychology
  • Mental Health Interventions

Background:

  • Perfectionism is a debilitating condition impacting mental health and overall functioning.
  • Internet-based cognitive behavioral therapy (iCBT) shows promise for perfectionism, but follow-up data are scarce.

Purpose of the Study:

  • To evaluate the long-term effectiveness of iCBT with guided self-help for perfectionism.
  • To explore outcomes at 6- and 12-month follow-ups in Swedish and UK randomized controlled trials.

Main Methods:

  • 120 participants received iCBT in two randomized controlled trials (Sweden and UK).
  • Primary outcome: Frost Multidimensional Perfectionism Scale (FMPS CM). Secondary outcomes: Clinical Perfectionism Questionnaire (CPQ), PHQ-9, GAD-7, DASS-21.
  • Follow-up assessments at 6 months (UK) and 12 months (Sweden).

Main Results:

  • Significant improvements from pretreatment to follow-up on FMPS CM (Cohen's d effect sizes 1.21-1.24) and CPQ (1.32-1.49).
  • High recovery rates on FMPS CM: 59% (Sweden) and 43% (UK).
  • Significant improvements observed in depression (PHQ-9, d=0.60), anxiety (GAD-7, d=0.67), and stress (DASS-21, d=0.50).

Conclusions:

  • iCBT is a promising intervention for addressing perfectionism and associated mental health issues.
  • Findings support the efficacy of iCBT, but further research with comparison groups is recommended for replication.