The Effects of Brief, Psychological Interventions (Micro-Interventions) on the Individual Stress Reactivity
Overview
- Phase
- Not Applicable
- Intervention
- Not specified
- Conditions
- Psychological Stress
- Sponsor
- Philipps University Marburg Medical Center
- Enrollment
- 90
- Locations
- 1
- Primary Endpoint
- Change in Subjective Stress Ratings
- Status
- Completed
- Last Updated
- 4 years ago
Overview
Brief Summary
This study aims to investigate the effects of short, psychological interventions on bio-psychological stress responses after an acute stressor. The efficacy of two different approaches (expectation-bases vs. acceptance-based) will be compared to a control-group.
Investigators
Eligibility Criteria
Inclusion Criteria
- •fluent in German language
Exclusion Criteria
- •chronic disease
- •mental disease
- •the evening before the day of the experiment until end of the experiment (the next day):
- •caffeine, alcohol, intensive physical exercise, chewing gum
- •acute hay fever
- •current intake of psychotropic medication
- •current intake of orale contraceptives
- •visual impairments
- •heart conditions (self and close relatives)
Outcomes
Primary Outcomes
Change in Subjective Stress Ratings
Time Frame: at baseline, before the intervention, after the intervention; during the stressor, after the stressor; in total 45 minutes
VAS (visual analogue scale)
Change in Cortisol Levels
Time Frame: at baseline (min. -37), after the intervention (min. -19), after the stressor (min. 0), recovery 1 (min. +15), recovery 2 (min. +30); in total 67 minutes
saliva sample
Changes in Heart-Rate-Variability (HRV)
Time Frame: during baseline (duration 10 minutes), during the stressor (duration 20 minutes), during recovery (duration 10 minutes); in total 40 minutes
electrocardiogram
Changes in Affect
Time Frame: at baseline, after the stressor; in total 45 minutes
VAS (visual analogue scale)
Secondary Outcomes
- Self-Efficacy(at baseline, after the recovery-phase; in total 55 minutes)
- Positivity(at baseline, after the recovery-phase; in total 55 minutes)