F32 F33
Conditions
Interventions
Group 1: Single-session-intervention (30 min) with expectation optimization (depressive symptoms as a functional signal). Pre-test before the interview, post-test after the interview, two-week short s
Sponsors
Philipps-Universität Marburg
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: Diagnosed mild or moderate depressive episode or recurrent depressive disorder with current mild or moderate episode
Exclusion criteria
Exclusion criteria: No depression Severe depression Acute suicidality
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Measurement points: T1 (before the expectation manipulation), T2 (after the expectation manipulation), EMA survey (after T2 over 14 days, three times a day), follow-up (after the EMA survey) Change in perceived controllability of depressive symptoms (Brief Illness Perception Questionnaire (B-IPQ), T1, T2, EMA survey, follow-up) Depressive symptoms (Beck Depression Inventory Revision (BDI-II) at T1, follow-up) Depressive symptoms short version (Patient Health Questionnaire (PHQ-2), at EMA survey) Illness attribution (recorded at symptom level for each depressive symptom experienced on the BDI-II using a dichotomous response scale “biological” vs. “psychosocial” with an alternative option “other” at measurement points T1, T2, follow-up) Treatment expectations (Generic Rating Scale for Previous Treatment Experiences, Treatment Expectations, and Treatment Effects (GEEE), at all measurement points) | — |
Secondary
| Measure | Time frame |
|---|---|
| Self-efficacy expectancy and perceived control (scale for general self-efficacy expectancy (SWE) at each measurement point T1 & follow-up) Expectations regarding symptom progression (recorded at symptom level for each item of the BDI-II using a Likert scale from 0-10 at T1 & follow-up) Credibility of treatment (Credibility Expectancy Questionnaire (CEQ), at T1 & T2) Sociodemographic variables (biological & social gender, age, educational level, occupation, German language skills; collected at T1) | — |
Countries
Germany
Contacts
Public ContactMarcel Wilhelm
Philipps-Universität Marburg
Outcome results
None listed