The Effects of Brief, Psychological Interventions (Micro-Interventions) on the Individual Stress Reactivity
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 90
- 试验地点
- 2
- 主要终点
- Change in Subjective Stress Ratings
研究概览
简要总结
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.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Basic Science
- 盲法
- Single (Participant)
入排标准
- 年龄范围
- 18 Years 至 50 Years（Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •fluent in German language
排除标准
- •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)
结局指标
主要结局
Change in Subjective Stress Ratings
时间窗: 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
时间窗: 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)
时间窗: during baseline (duration 10 minutes), during the stressor (duration 20 minutes), during recovery (duration 10 minutes); in total 40 minutes
electrocardiogram
Changes in Affect
时间窗: at baseline, after the stressor; in total 45 minutes
VAS (visual analogue scale)
次要结局
- Self-Efficacy(at baseline, after the recovery-phase; in total 55 minutes)
- Positivity(at baseline, after the recovery-phase; in total 55 minutes)