Think Positive Thoughts!

Phase 2

Conditions: mild to moderate depressive symptoms, assessed via a score of = 6 on the Quick Inventory of Depressive Symptomatology (QIDS -SR)

Registration Number: DRKS00028170

Lead Sponsor: niversität Duisburg-EssenFakultät für BildungswissenschaftenInstitut für Psychologie

Brief Summary: Not available

Detailed Description: Not available

Recruitment & Eligibility

Status: Pending

Sex: All

Target Recruitment: 200

Inclusion Criteria

Gender: Both, male and female Minimum Age: 18 Years Maximum Age: 65 Years

at least mild to moderate depressive symptoms, assessed via a score of = 6 on the Quick Inventory of Depressive Symptomatology (QIDS -SR)

Exclusion Criteria

for the saliva cortisol assessment: medication with glucocorticoids, endocrine diseases (Morbus Addison oder Cushing), pregnancy, shift work;
In the case of an acute infection, the saliva sampling is postponed. If the above exclusion criteria are met, participation in the rest of the study is however still possible.
The participants are also informed that the study is not suitable for people who are currently suffering from high (mental) stress and who urgently need psychological or medical help, since the training is aimed at improving mood, but cannot replace psychotherapy. Participants are encouraged to contact their general practitioner or a psychological psychotherapist, if they feel that they need urgent psychological help. Information is provided on how to search for a psychotherapist on the website of the Federal Chamber of Psychotherapists and reference is made to the telephone number of the nationwide telephone counseling service.

Study & Design

Study Type: interventional

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Changes in the score on the Quick Inventory of Depressive Symptomatology (QIDS -SR) from pre-training to post-training

Secondary Outcome Measures

Name	Time	Method
Manipulation-check for the Positive Mental Imagery Training: changes in the scores of the Prospective Imagery Test (Morina, Deeprose, Pusowski, Schmid, & Holmes, 2011) and Ambiguous Scenarios Test for Depression (Rohrbacher, & Reinecke, 2014) from pre-test to post-test;<br><br>Manipulation-check for the mindfulness training: changes in the scores of the Five Facet Mindfulness Scale from pre-test to post-test;<br><br>Furthermore changes in the following measures from pre-test to post-test and pre-test to follow-up after 4 weeks:<br><br>changes in the score of the Dimensional Anhedonia Rating Scale (DARS);<br>changes in cortisol awakening reaction and cortisol day profiles;<br>changes in the score of the Perceived Stress Scale; <br>changes in the scores of the Positive Affect Negative Affect Schedule;<br>changes in the scores of the Emotion Regulation Questionnaire and subscales attention and regulation of the rating scale of emotional competencies (Selbsteinschätzung Emotionaler Kompetenzen)<br>