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The Effect of Positive Intervention Dosing Frequency: Fixed Intervals May Decrease More Depression than Flexible

Sen-Chi Yu1, Chun-Wei Chang1

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International Journal of Environmental Research and Public Health
|August 12, 2022
PubMed
Summary
This summary is machine-generated.

Fixed dosing intervals for positive interventions (PIs) significantly reduced depression and improved well-being in college students. Flexible intervals showed no significant benefit, highlighting the importance of consistent PI application for lasting effects.

Keywords:
depressionintervention dosingpositive interventionspositive psychology

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Area of Science:

  • Psychology
  • Mental Health Research

Background:

  • Positive interventions (PIs) enhance well-being and reduce depression.
  • The impact of dosing intervals on PIs remains under-researched.

Purpose of the Study:

  • To compare the efficacy of fixed versus flexible dosing intervals for strength-based PIs.
  • To determine optimal dosing strategies for reducing depression using cognitive reframing.

Main Methods:

  • 193 Taiwanese college students were randomized into fixed-interval, flexible-interval, and control groups.
  • Participants underwent 17-day PIs, with assessments at post-test and 7-week follow-up.
  • The 8-item Center for Epidemiological Studies Depression Scale (CES-D) and Positive Reframing Scale (PRS) were used.

Main Results:

  • Fixed intervals significantly reduced depression scores compared to the control group at post-test and follow-up.
  • Fixed intervals demonstrated greater effect size at follow-up, indicating sustained benefits.
  • Flexible intervals showed no significant difference from the control group and had diminishing effects over time.

Conclusions:

  • Fixed dosing intervals are more effective than flexible intervals for PIs.
  • Consistent PI application aids in integrating reframing techniques, leading to lasting improvements.
  • Flexible intervals may lead to reduced adherence and less effective outcomes due to forgetfulness.