The Effects of Interventions Aiming at Optimizing Expectations and Inducing Positive Emotions After an Acute Stressor

Healthy Participants Clinical Trial

Official title:

The Effects of Interventions Aiming at Optimizing Expectations and Inducing Positive Emotions After an Acute Stressor on Subjective and Objective Stress Paramaters

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT02848014
• Other study ID #: 2016-08k
• Status: Completed
• Phase: N/A
• First received: June 29, 2016
• Last updated: April 4, 2017
• Start date: July 2016
• Est. completion date: November 30, 2016

Study information

• Verified date: June 2016
• Source: Philipps University Marburg Medical Center
• Contact: n/a
• Is FDA regulated: No
• Study type: Interventional

Clinical Trial Summary

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.

Recruitment information / eligibility

• Status: Completed
• Enrollment: 74
• Est. completion date: November 30, 2016
• Est. primary completion date: November 2016
• Accepts healthy volunteers: Accepts Healthy Volunteers
• Gender: All
• Age group: 18 Years and older

Eligibility

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

Related Conditions & MeSH terms

• Healthy Participants

Intervention

Behavioral:
• Writing task

Locations

Country	Name	City	State
Germany	Department of Psychology, Philipps University Marburg	Marburg	Hessen

Sponsors (1)

Lead Sponsor	Collaborator
Philipps University Marburg Medical Center

Country where clinical trial is conducted

Germany, 

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Change in personal control expectation (Item of the Brief IPQ)		Pre-intervention (baseline; T0) vs. Post-intervention (25 minutes after baseline assessment; T1)
Secondary	Change in emotions (PANAS)		Pre-intervention (baseline; T0) vs. Post-intervention (25 minutes after baseline assessment; T1)
Secondary	Subjective stress ratings	Questionnaire items	directly after completing the stress induction (approximately 50 minutes after baseline assessment; T2)
Secondary	Change in Cortisol levels (saliva sample)	directly (T2), 15 min (T3) and 30 min (T4) after stress induction = 50 min, 65 min and 80 min after baseline assessment	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
Secondary	Change in Alpha-Amylase levels (saliva sample)	directly (T2), 15 min (T3) and 30 min (T4) after stress induction = 50 min, 65 min and 80 min after baseline assessment	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