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Modification of Affective Trajectory in a Positive Psychology Intervention
Anne Congard1, Eva Andreotti2, Bruno Dauvier3
1Nantes University, Laboratoire de Psychologie des Pays de la Loire, LPPL, EA 4638, Nantes, France.
Applied Psychology. Health and Well-Being
|June 25, 2020
Summary
Positive psychology interventions (PPIs) effectively reduce negative affect (NA) and enhance positive affect (PA) over 42 days. These findings highlight PPIs
Area of Science:
- Psychology
- Mental Health
- Well-being
Background:
- Enhancing positive affect (PA) and reducing negative affect (NA) are key goals in positive psychology and mental health.
- The longitudinal dynamics of affect in response to interventions remain underexplored.
Purpose of the Study:
- To investigate the impact of a 42-day daily positive psychology intervention (PPI) on affective longitudinal dynamics.
- To compare changes in PA and NA trajectories between a PPI group and a control group.
Main Methods:
- Employed an experience sampling method using a self-observation diary (Measurement of Affectivity: Valence/Activation scale, MAVA).
- Utilized two non-randomized groups: a control group (n=43) and an intervention group (n=43) from a community sample.
- Tracked daily affective states over the 42-day intervention period.
Main Results:
- Participants in the PPI group showed significant decreases in both activated and deactivated negative affect (NA) trajectories compared to controls.
- The deactivated positive affect (PA) trajectory increased non-linearly in the PPI group.
- The activated PA trajectory demonstrated a linear increase over the course of the PPI.
Conclusions:
- Daily positive psychology interventions significantly alter longitudinal affective dynamics.
- PPIs effectively reduce negative affect and promote positive affect, contributing to enhanced well-being.
- These findings suggest that PPIs can reshape daily affective experiences.
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