The Role of Expectations in Experimentally Induced Sadness
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Hessen
-
Marburg, Hessen, Germany, 35037
- Philipps University Marburg
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- fluent in German language
Exclusion Criteria:
- major depression
- current intake of psychotropic medication
- drug intake within the last two weeks
- alcohol consumption within the last twelve hours
- allergic to capsaicin
- allergic to sesame oil
- students in medicine, pharmacy, or psychology in their third year or older
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Basic Science
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Triple
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Experimental: Positive placebo group
Participants receive a nasal spray that is a placebo.
However, they are told that it protects from experiencing negative emotions.
Participants watch a film sequence that is supposed to induce sadness.
|
|
|
Experimental: Negative placebo group
Participants receive a nasal spray that is a placebo.
However, they are told that it sensitizes for experiencing negative emotions.
Participants watch a film sequence that is supposed to induce sadness.
|
|
|
Placebo Comparator: Placebo control group
Participants receive a nasal spray that is a placebo and are told that it is a placebo.
Participants watch a film sequence that is supposed to induce sadness.
|
|
|
Other: No-treatment control group
Participants do not receive the nasal spray.
Participants watch a film sequence that is supposed to induce sadness.
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Sadness (PANAS-X)
Time Frame: Directly after watching the film sequence, no follow-up assessments
|
Directly after watching the film sequence, no follow-up assessments
|
Collaborators and Investigators
Sponsor
Sponsor
Investigators
Investigators
- Principal Investigator: Winfried Rief, Professor, Philipps University Marburg Medical Center
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimate)
First Posted
Study Record Updates
Last Update Posted (Actual)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Other Study ID Numbers
Other Study ID Numbers
- 2016-02v
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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