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The study aimes at identifying whether positive expectations have an impact on the way depressive participants experience emotions in the form of sadness.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Positive placebo group | Experimental | Participants receive a placebo nasal spray. However, they are told that it protects from experiencing negative emotions. Participants watch a film sequence that is supposed to induce sadness. |
|
| Placebo control group | Placebo Comparator | Participants receive a placebo nasal spray and are told that it is a placebo. Participants watch a film sequence that is supposed to induce sadness. |
|
| No-treatment control group | Other | Participants do not receive the nasal spray. Participants watch a film sequence that is supposed to induce sadness. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Placebo nasal spray | Other | The placebo nasal spray consists of sesame oil and does not contain any active drug. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Sadness | Items of PANAS-X | Directly after watching the film sequence, no follow-up assessments |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Winfried Rief, Professor | Philipps University Marburg | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Justus Liebig University Gießen | Giessen | Hesse | 35390 | Germany | ||
| Philipps University Marburg |
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| Film sequence | Other | All groups watch the film sequence that is supposed to induce sadness. |
|
| Marburg |
| Hesse |
| 35032 |
| Germany |