The Effects of Interventions Aiming at Optimizing Expectations and Inducing Positive Emotions After an Acute Stressor on Subjective and Objective Stress Paramaters
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 74
- 试验地点
- 1
- 主要终点
- Change in personal control expectation (Item of the Brief IPQ)
研究概览
简要总结
The purpose of the study is to determine whether a short psychological intervention aiming at optimizing expectations is able to foster positive emotions and whether an intervention inducing positive emotions is able improve participants' expectations. Furthermore, the investigators will examine whether both interventions are effective in buffering the stress response after an acute stressor in a healthy sample compared to a control condition.
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 —（Adult, Older 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
研究组 & 干预措施
Expectation
Participants are asked to think and write about ways how they can positively influence/control the stress during stress induction. They also can think of strategies they used in their past. The purpose of this arm is to improve participants' personal control expectations.
干预措施: Writing task (Behavioral)
Emotion
Participants in this group are asked to write a gratitude-letter to a person they want to thank. The purpose of this arm is to foster positive emotions.
干预措施: Writing task (Behavioral)
Control
Participants in this group are asked to do a neutral writing task. The task is to write a protocol of yesterday's to-dos.
干预措施: Writing task (Behavioral)
结局指标
主要结局
Change in personal control expectation (Item of the Brief IPQ)
时间窗: Pre-intervention (baseline; T0) vs. Post-intervention (25 minutes after baseline assessment; T1)
次要结局
- Subjective stress ratings(directly after completing the stress induction (approximately 50 minutes after baseline assessment; T2))
- Change in emotions (PANAS)(Pre-intervention (baseline; T0) vs. Post-intervention (25 minutes after baseline assessment; T1))
- Change in Cortisol levels (saliva sample)(Pre-intervention (baseline; T0) vs.Post-intervention (25 minutes after baseline assessment; T1), directly (T2), 15 min (T3) and 30 min (T4) after stress induction)
- Change in Alpha-Amylase levels (saliva sample)(Pre-intervention (baseline; T0) vs. Post-intervention (25 minutes after baseline assessment; T1), directly (T2), 15 min (T3) and 30 min (T4) after stress induction)
研究者
Winfried Rief
Professor Dr.
Philipps University Marburg Medical Center