Markus Wolf

Markus Wolf
University of Zurich | UZH · Department of Clinical Psychology and Psychotherapy Research

PhD

About

87
Publications
32,858
Reads
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1,396
Citations
Citations since 2017
38 Research Items
821 Citations
2017201820192020202120222023050100150
2017201820192020202120222023050100150
2017201820192020202120222023050100150
2017201820192020202120222023050100150
Additional affiliations
June 2015 - present
University of Zurich
Position
  • Oberassistent
January 2005 - May 2015
University Hospital Heidelberg
Position
  • Research Associate

Publications

Publications (87)
Article
Full-text available
Background Receiving a diagnosis that leads to severe disability in childhood can cause a traumatic experience with long-lasting emotional stress for patients and family members. In recent decades, emerging digital technologies have transformed how patients or caregivers of persons with disabilities manage their health conditions. As a result, info...
Article
Full-text available
Since the outbreak of the COVID-19 pandemic, increases in suicidal ideation and suicide attempts in adolescents have been registered. Many adolescents experiencing suicidal ideation turn to online communities for social support. In this retrospective observational study, we investigated the communication—language style, contents and user activity—i...
Article
Objective Intervention integrity is the degree to which the study intervention is delivered as intended. This article presents the RIPI-f checklist (Reporting Integrity of Psychological Interventions delivered face-to-face) and summarizes its development methods. RIPI-f proposes guidance for reporting intervention integrity in evaluative studies of...
Preprint
Digital data play an increasingly important role in advancing medical research and care. However, most digital data in healthcare are in an unstructured and often not readily accessible format for research. Specifically, unstructured data are available in a non-standardized format and require substantial preprocessing and feature extraction to tran...
Poster
Abstract Fragestellung: Als Rückfallprophylaxe werden in der kognitiv-verhaltenstherapeutischen Psychotherapie (KVT) hilfreiche Elemente für die Postbehandlungsphase erarbeitet, die hier folgend Brückenelemente genannt werden. Brückenelemente können gelernte Bewältigungsstrategien, Methoden, Gedanken, Einstellungen und Verhaltensweisen sein, die n...
Article
Zusammenfassung. Erste Befunde indizieren, dass Patientinnen und Patienten mit stark ausgeprägter depressionsbezogener Selbstwirksamkeitserwartung bessere Behandlungsergebnisse erzielen und ein geringeres Rückfallrisiko aufweisen. Bisher existieren jedoch nur englischsprachige validierte Instrumente zur Erfassung des Konstrukts. In der vorliegenden...
Article
Full-text available
Introduction: Treatment as usual (TAU) is the most frequently used control group in randomized trials of psychotherapy for depression. Concerns have been raised that the heterogeneity of treatments in TAU leads to biased estimates of psychotherapy efficacy and to an unclear difference between TAU and control groups like waiting list (WL). Objecti...
Article
Digital data play an increasingly important role in advancing medical research and care. However, most digital data in healthcare are in an unstructured and often not readily accessible format for research. Specifically, unstructured data are available in a non-standardized format and require substantial preprocessing and feature extraction to tran...
Preprint
Background: Treatment as usual (TAU) is the most frequently used control group in randomised trials of psychotherapy for depression and meta-analyses that summarise these trials. Concerns have been raised over imprecise and biased efficacy estimates because of substantial variability in the treatments provided in TAU. We set out to investigate the...
Article
Background: The novel 2019 coronavirus disease (COVID-19) has affected individuals with lived experience of eating disorders (ED) strongly with many reporting higher psychological distress, higher prevalence of ED symptoms and compensatory behaviors. The COVID-19 pandemic and the health and safety measures taken to contain its spread also disrupte...
Article
Full-text available
Background: Web-based and mobile mental health applications for the prevention and treatment of common mental disorders (CMDs) are on the rise. Under certain circumstances they have proved to be effective for a range of conditions (e.g., depression). Objective: There is not sufficient evidence regarding the benefits and barriers especially for mobi...
Preprint
BACKGROUND COVID-19 has affected individuals with lived experience of eating disorders (EDs), with many reporting higher psychological distress, higher prevalence of ED symptoms, and compensatory behaviors. The COVID-19 pandemic and the health and safety measures taken to contain its spread also disrupted routines and reduced access to familiar cop...
Article
While language style is considered to be automatic and relatively stable, its plasticity has not yet been studied in translations that require the translator to “step into the shoes of another person.” In the present study, we propose a psychological model of language adaptation in translations. Focusing on an established interindividual difference...
Article
Full-text available
The huge power for social influence of digital media may come with the risk of intensifying common societal biases, such as gender and age stereotypes. Speaker’s gender and age also behaviorally manifest in language use, and language may be a powerful tool to shape impact. The present study took the example of TED, a highly successful knowledge dis...
Data
Poster available from here: https://osf.io/h8ypt/
Article
Full-text available
Background: The aim of the study was to examine the prevalence of and factors associated with antidepressant (AD) prescriptions in order to draw a comprehensive picture of prescribing practices in Switzerland. Method: We conducted a population-based, cross-sectional descriptive study using a large Swiss healthcare claims database, covering appro...
Article
Full-text available
Background: Evidence on the long-term efficacy of psychotherapeutic approaches for chronic depression is scarce. Objective: To evaluate the effects of the Cognitive Behavioral Analysis System of Psychotherapy (CBASP) compared to Supportive Psychotherapy (SP) 1 year and 2 years after treatment termination. Methods: In this study, we present 1-...
Preprint
Full-text available
In this manual, we introduce a new version of the German adaptation of the Linguistic Inquiry and Word Count (LIWC), called the DE-LIWC2015. The aim of the present work was to develop an update to the previous version of the German LIWC adaptation (Wolf et al., 2008) that corresponds to the LIWC2015 properties. The overall goal was to enable automa...
Article
Psychotherapie ist wirksam – aber die wenigsten Patienten genesen infolge einer Therapie vollständig. Häufig bestehen Restsymptome und Belastungsfaktoren im sozialen und beruflichen Umfeld, die die Funktionsfähigkeit im Alltag weiter beeinträchtigen. Das Risiko für einen Rückfall ist groß. Können moderne Medien in der Nachsorge eingesetzt werden, u...
Article
Psychotherapie ist wirksam – aber die wenigsten Patienten genesen infolge einer Therapie vollständig. Häufig bestehen Restsymptome und Belastungsfaktoren im sozialen und beruflichen Umfeld, die die Funktionsfähigkeit im Alltag weiter beeinträchtigen. Das Risiko für einen Rückfall ist groß. Können moderne Medien in der Nachsorge eingesetzt werden, u...
Article
Objective Social media plays an important role in everyday life of young people. Numerous studies claim negative effects of social media and media in general on eating disorder risk factors. Despite the availability of big data, only few studies have exploited the possibilities so far in the field of eating disorders. Method Methods for data extra...
Article
Internet and mobile interventions have the potential to transform depression care. This assumption is supported by a rapidly growing number of randomized controlled trials that evaluate the efficacy of mostly CBT-based self-help programs for the treatment of depressive symptoms under experimental conditions. However, fewer research has focused on t...
Conference Paper
Hintergrund: Die Prävention arbeitsbedingter psychischer und psychosomatischer Erkrankungen (PPE) wird angesichts ihres Bedeutungszuwachses immer wichtiger. Immer mehr Gesundheits-Apps zur Primär- und Sekundärprävention kommen auf den Markt, ohne bisher ausreichende Evidenz über Nutzen, Barrieren und ggf. Schaden. Geleitete Online-Interventionen ge...
Article
Full-text available
Background It has been shown that mindfulness practice can be helpful in preventing relapse from depression. However, practicing mindfulness regularly at home is often a challenge for people with depression. Mobile phone text messaging (short message service, SMS) may be a feasible approach to assist regular mindfulness home practice. Objective Th...
Article
This study investigated the user activity in a text messaging intervention to assist mindfulness practice in patients with symptoms of depression. Participants (N=21) allocated to the intervention group of a pilot RCT received an introduction to mindfulness exercises during hospital treatment, and text messages to assist mindfulness practice during...
Article
Background: Strategies to improve the life of patients suffering from recurrent major depression have a high relevance. This study examined the efficacy of 2 Internet-delivered augmentation strategies that aim to prolong symptom-free intervals. Methods: Efficacy was tested in a 3-arm, multicenter, open-label, evaluator-blind, randomized controll...
Article
Full-text available
Several theories suggest that self-focused attention plays an important role in the maintenance of depression. However, previous studies have predominantly relied on self-report and laboratory-based measures such as sentence completion tasks to assess individual differences in self-focus. We present a prospective, longitudinal study based on a samp...
Article
Patients often have to sustain long waiting periods between the time they first apply for psychotherapy and the actual uptake of the treatment. To support patients who are on a wait-list for inpatient psychosomatic treatment an Internet-based preparatory treatment (VORSTAT) was developed. In a randomized controlled trial, VORSTAT proved to increase...
Article
Hintergrund: Die stationäre Psychotherapie ist in Deutschland ein wesentlicher Bestandteil der medizinischen Versorgung von Menschen, die an einer psychischen Störung leiden. Angesichts knapper ambulanter Therapieangebote sehen sich Patienten nach Abschluss der stationären Behandlung jedoch häufig vor die Frage gestellt, wie die Erfolge aus der int...
Article
Objective: The implementation of new interventions into routine care requires the demonstration of both their effectiveness and cost-effectiveness. Method: We explored the cost-effectiveness of an Internet-based aftercare program in addition to treatment as usual (CHAT) which was compared to treatment as usual (TAU) following inpatient treatment...
Article
Major Depression is a highly prevalent, disabling disorder associated with loss of quality of life and large economic burden for the society. Depressive disorders often follow a chronic or recurrent course. The risk of relapses increases with each additional episode. The Internet-deliverable intervention strategy SUMMIT (SUpportive Monitoring and D...
Article
Social media have become a significant means for peer-related communication, self-presentation, and identity management. So-called eating disorder websites that propagate a drastic thin ideal and unhealthy eating behaviors have triggered a debate about the harmful facets of social Internet activity. Little research has addressed the language that i...
Article
The frequency with which a person refers to herself is an important marker of psychological functioning. The aim of the current study was to explore the associations between self-referencing verbal behavior and interpersonal problems. We assessed the frequency of first-person singular and plural pronouns from transcribed clinical interviews with 11...
Article
Whereas in traditional, closed peer review (CPR) a few, selected scientists (peers) are included in the process of manuscript review, public peer review (PPR) includes, in addition to invited reviewers, a wider circle of scientists who are interested in a manuscript and wish to write a comment on it. In this study, using the data of two comprehensi...
Article
Pro-eating disorders (ED) websites are assumed to have a negative impact on internet users because these sites promote ED as a lifestyle, and present an extreme thin ideal as well as extreme weight loss measures. We tested the impact of reading pro-ED contents in a sample of 421 women. The participants were randomly assigned to one of 3 conditions...
Chapter
Full-text available
Text-based online therapy interventions have been used for more than a decade, but no comprehensive review of the effects on the alliance have been conducted. The authors have collected all of the empirical articles published up to December 2008 (n = 12) that examine the alliance of text-based online therapy. These studies involved a total of 574 c...
Article
Despite considerable advances in the evidence-based treatments, the long-term management of depressive disorders remains a challenge. Many depressive disorders follow a chronic or recurrent course. Substantial proportions of patients end treatment, especially those with residual symptoms, leave treatment with considerable risk for relapses and/or p...
Article
Full-text available
Supportives Monitoring (SM) wird als ein neues Interventionskonzept für das Krankheitsmanagement psychischer Störungen vorgestellt. Nach einer einführenden Begriffsklärung werden einige verwandte Konzepte umrissen und potenzielle Stärken des SM identifiziert. Im Mittelpunkt des Beitrags steht ein aktuelles Anwendungsbeispiel im Rahmen dessen ein SM...
Article
Wenngleich die meisten Patienten von stationärer Psychotherapie profitieren, sind diese Erfolge oft nicht von Dauer. Maßnahmen zur Steigerung der Nachhaltigkeit von Behandlungsergebnissen werden dringend benötigt, lassen sich aber im Versorgungsalltag häufig schwer realisieren. Der Einsatz von Informations- und Kommunikationstechnologien (IKT) erla...
Article
Background/Objectives: Despite effective treatments, substantial proportions of patients with mood disorders have a considerable risk for recurrences or relapses. Consequently, recent treatment guidelines highlight the need for improvement in relapse prevention and managed care in recurrent and chronic depression. New technologies such as the inter...
Article
Internet and mobile phones open new avenues for the optimization of health services in medical rehabilitation. Various models of Internet-delivered aftercare after psychosomatic inpatient treatment have shown promising results. The focus of this report is on the experience in translating one of the promising models, the Internet-Bridge ("Internet-B...
Article
The majority of patients benefit from psychotherapeutic treatment. However, many fail to maintain their treatment gains following discharge. In a controlled study, we investigated the effectiveness of internet chat groups in preventing relapse following inpatient treatment. One hundred and fifty-two patients were assessed with the Longitudinal Foll...
Article
Internet und das Mobiltelefon eröffnen neue Wege zur Optimierung der medizinischen Rehabilitation. In Modellversuchen haben Internet-vermittelte Nachsorgeprogramme die Nachhaltigkeit stationärer psychosomatischer Behandlungen deutlich gesteigert. Im Fokus des vorliegenden Beitrags stehen die Erfahrungen bei der Translation eines vielversprechenden...
Article
Exposures to a high-ropes course are introduced as an adjunct intervention in the therapy of psychotherapy patients. A controlled study was conducted to investigate the effectiveness of high-ropes exposures as an add-on to inpatient treatment in a naturalistic setting. In a sample of 247 patients, depressive symptoms, trait anxiety, locus of contro...
Article
The authors applied the meaning extraction method (MEM) to 4,241 e-mails written by 297 participants of an email-based aftercare program following inpatient psychotherapy. Principal-components analysis of the most frequently used nouns in the e-mails yielded nine components: life decisions and coping, relationship conflict, psychological and physic...
Article
Full-text available
New communication technologies offer novel possibilities for the prevention of mental illness, in which geographical and psychosocial distances often hamper help-seeking. This paper introduces ES[S]PRIT, an Internet-based eating disorders (ED) prevention programme for university students. The programme follows a stepped-care approach combining vari...
Article
Mit der „Bestimmung des Emotionalen Ressourcenpotenzials” (BER) wird ein Test zur Erfassung emotionaler Erfahrungsmöglichkeiten vorgestellt, mittels dessen im Gruppen- wie im Einzelsetting emotionale Erfahrungen induziert werden können, deren unmittelbare Intensität sowie deren Erleben im Alltag dann vom Probanden beurteilt wird. Im Beitrag werden...
Article
Die rasante Entwicklung von Informations- und Kommunikationstechnologien sowie deren Verfügbarkeit in weiten Teilen der Bevölkerung bieten großes Potenzial für die gesundheitliche Versorgung. Im Internet bereitgestellte Informationen eröffnen neue Möglichkeiten der Kompetenzvermittlung und können damit zu einer Stärkung der partizipativen Nutzung d...
Article
We introduce a test for the assessment of individual emotional resources (BER). The BER can be used to induce positive emotional experiences in both an individual and group setting. These experiences are then in a second step rated by the individuals in terms of their immediate intensity as well as their occurrence in everyday life. We examined the...
Article
This naturalistic longitudinal study analyzed the reciprocal dependency of the helping alliance and symptom outcome over the course of mid- and long-term outpatient psychotherapy as practiced in routine care in Germany. Patient-rated helping alliance and symptom distress were assessed repeatedly over a 2-year period in a sample of 259 outpatients i...
Article
Full-text available
Zusammenfassung. Im Beitrag wird die deutsche Adaptation des Linguistic Inquiry and Word Count (LIWC) vorgestellt. Das LIWC ist ein computergestütztes Textanalyseprogramm mit integriertem Wörterbuch, das von Pennebaker und Kollegen (2001) entwickelt wurde, um Essays aus Experimenten zum expressiven Schreiben zu untersuchen. Es werden zwei Studien z...
Chapter
In diesem Kapitel werden zwei internetbasierte Programme-Chat-und E-Mail-Brücke-zur Optimierung der integrierten psychosozialen Versorgung vorgestellt. Die Angebote wurden von der Forschungsstelle für Psychotherapie in Zusammenarbeit mit der Panorama-Fachklinik für Psychosomatik, Psychotherapeutische Medizin und Naturheilverfahren Scheidegg/Allgäu...
Article
Psychotherapy and psychosocial interventions rely mainly on verbal communication and language. With the expanding use of computers as well as the capacity of the Internet to bridge geographic distances and to increase access, computer mediated communication (CMC) plays an increasing role for the delivery of psychosocial interventions. This chapter...
Article
Die Internetbrücken via Chat und E-Mail wurden von der Forschungsstelle für Psychotherapie in Kooperation mit der Panorama-Fachklinik Scheidegg gezielt als Versorgungsmodelle entwickelt, um Lükken in der psychotherapeutischen Versorgung zu schließen (▸ Kap. 17). Der Einsatz der neuen Kommunikationsmedien erfolgt mit dem Ziel, Patienten nach der The...
Article
Linguistic style analysis is introduced as a method of nonreactive measurement of cognitive style in individuals with eating disorders (ED). A journaling exercise was implemented on an ED inpatient unit. Thirty-four written essays collected from an unselected sample of 11 patients were analysed with the Linguistic Inquiry and Word Count, with regar...
Article
Modern communication technologies offer novel opportunities for the provision of stepped care for patients with mental disorders. This study investigated the effectiveness of group therapy delivered through an Internet chat following inpatient treatment. The main goal of the program was to reduce the risk of losing the therapeutic benefits achieved...
Article
Full-text available
Hintergrund Erfahrungs- und handlungsorientierte Maßnahmen wie psychophysische Expositionen (PPE) auf dem Hochseil (HS) stellen eine vielversprechende Ergänzung für die Behandlung psychosomatischer Patienten dar. Im Beitrag werden PPE auf einem klinikeigenen HS als begleitende Maßnahme in der stationären Psychotherapie vorgestellt. Methode In einer...
Article
The "Internet-Brücke" is intended to facilitate the patient's return from a specialist institution for psychotherapy and psychosomatics to the everyday setting. Participants meet once a week in an internet chat room. The open group sessions are accompanied by a group therapist, and their overall availability is limited to 12-15 weeks. This option w...
Article
Patienten, die aus einer psychotherapeutischen Klinik entlassen werden, kommen „draußen“ oft nicht auf Anhieb zurecht. Vor allem dann, wenn eine ambulante Anschlussbetreuung nicht nahtlos möglich ist. Eine mehrwöchige „Erhaltungstherapie per Internet-Chat“ kann diese Lücke schließen. Erste Studienergebnisse zeigen nicht nur deutliche Erfolge, sonde...
Article
Es wird ein Modell für die Nachbetreuung stationärer Psychotherapiepatienten vorgestellt, das auf regelmäßigen E-Mail-Kontakten basiert. Der Aufbau des Settings und der praktische Ablauf werden vorgestellt und in Abwägung von Risiken und Chancen der computervermittelten Kommunikation begründet. Abschließend werden die Ergebnisse einer ersten Evalua...
Article
The Center for Psychotherapy Research initiated the project “Internet Bridge” in cooperation with a German health insurance company (“Techniker Krankenkasse”) and a specialized hospital for psychosomatics and psychotherapeutic medicine (“Panorama-Fachklinik Scheidegg/Allgäu”). Patients who underwent inpatient treatment in the hospital were invited...
Article
We introduce an aftercare program for psychotherapy inpatients, which is based on regular communication via E-mail. The organizational and operational structure of the program are described within the context of computer mediated communication. First results on utilization and acceptance are reported. In comparison to patients who did not participa...
Article
Studies about the effects of different group sizes on the effectiveness and processes in group psychotherapy are scarce. In a sample of 176 sessions from an internet-chat aftercare group the correlations of group size (3-11 patients) and activity, group evaluation and communication content, analysed with a computerized text analysis program, were e...
Article
Zusammenfassung. Theoretischer Hintergrund: Das Inventar zur Erfassung Interpersonaler Probleme (IIP) weist konzeptionelle Überschneidung mit Zirkumplex-Modellen der Persönlichkeit und den Diagnosekriterien von Persönlichkeitsstörungen (PS) auf. Fragestellungen: (1) Diskriminieren die Skalen des IIP Patienten 1 Lediglich aus Gründen der Lesbarkeit...
Article
Zusammenfassung. Mit dem KPD-38 steht ein neues Instrument fur die Qualitatssicherung und das Ergebnismonitoring in der Psychotherapie und psychosomatischen Medizin zur Verfugung. Im vorliegenden Beitrag werden die Entwicklung des KPD-38 und erste Erfahrungen aus dem Einsatz in der Qualitatssicherung beschrieben. Das Instrument wurde einer Bevolker...
Article
Repeated administration of self-report scales is the method of choice for observing changes over time in many fields of psychology, including psychotherapy research. However, methodological questions arise due to the problem of retest artifact. Retest data of the German versions of the Inventory of Interpersonal Problems (IIP) (N=241) and the Eatin...
Article
Repeated administration of self-report scales is the method of choice for observing changes over time in many fields of psychology, including psychotherapy research. However, methodological questions arise due to the problem of retest artifact. Retest data of the German versions of the Inventory of Interpersonal Problems (IIP) (N=241) and the Eatin...

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Projects (5)
Project
Major depression is a serious mental disorder that often takes a recurrent or chronic course causing enduring individual suffering as well as immense direct and indirect health costs. Research indicates that psychological continuation interventions following successful acute-phase therapy are effective in preventing depressive relapse and recurrence but access to these interventions is limited. Systematic psychological continuation interventions are hardly implemented in health care yet, and research shows that there are obstacles concerning access to and compliance for these interventions in a face-to-face setting underlining the need for alternative ways of delivery. The present study ("NaTel study") aims to investigate the effectiveness of telephone-administered cognitive-behavioral continuation therapy (T-CT) following acute-phase psychotherapy. The primary research question is whether participating in T-CT reduces depressive relapses within an observation period of 18 months compared with usual care alone. T-CT comprises eight therapy sessions delivered over the telephone by a trained therapist over a period of approximately six months after acute-phase therapy. Focus of the structured intervention is to train and foster relapse prevention strategies and to facilitate the transfer of skills acquired during acute-phase therapy to daily life. The effectiveness of T-CT as add-on to usual care is tested in a two-parallel group, multicenter, evaluator-blind clinical trial in patients with chronic/persistent or recurrent depressive disorder. Upon acute-phase therapy termination patients who have responded to cognitive behavioral therapy are randomized either to T-CT or usual care alone. Primary outcome of this study is relapse of a depressive episode. Relapse is determined by investigators blind to the study conditions based on clinical interviews conducted at months 6, 12, and 18 of follow-up. Further secondary outcome criteria are assessed with interviews and self-report questionnaires at various time points during follow-up. https://clinicaltrials.gov/ct2/show/NCT03219879
Project
The maintenance of individual relapse-preventive strategies learned during cognitive behavioral therapy (CBT) is recommended as psychological prevention against further episodes of depression and anxiety disorders after the termination of psychotherapy. In order to be implemented regularly, relapse-preventive strategies should be relevant and concrete. However, there is little research about individuals’ intention to maintain CBT strategies once treatment has finished. Since motivation is a particular difficulty for people with depression, approaches are needed to increase it in a specific way. One model that describes the process of implementing and maintaining behaviors is the Health Action Process Approach (HAPA). According to this approach, the intention to implement behaviors in the so-called motivation phase is influenced by self-efficacy expectations, outcome expectations and perceived risk of relapse. High levels of these variables are considered favorable indicators for planning and implementing behavior in the subsequent so-called volitional phase. In order to prepare patients for the independent implementation of relapse-preventive strategies, favorable conditions for the post-treatment phase should be created in the acute phase of CBT. The DYNAMO study aims to identify which strategies are helpful from the patient perspective and how these strategies can be characterized. Furthermore, it will be investigated which patient or treatment related factors impact the formulation of concrete and feasible strategies. Based on the HAPA, the study will examine the extent to which patients meet the necessary requirements for independent planning and implementation of relapse-prevention strategies when they leave the acute phase. A patient-focused, mixed-methods approach will be applied to relate characteristics of patients’ individual strategies to factors of preceding therapy. 120 patients with anxiety disorders or depression are taking part in the naturalistic DYNAMO study with assessments at termination of index CBT (t0) and four months after termination (t1). Questionnaires (patient self-ratings) comprise sociodemographic and clinical variables, treatment characteristics of index CBT, relapse-preventive strategies elaborated during index CBT, treatment pathways, motivational factors for maintaining strategies (HAPA), symptom severity (PHQ-9), therapeutic alliance (WAI) and depression-related self-efficacy (DSW). As a first step of the analyses, qualitative content analysis will be used to categorize patients’ strategies in terms of content and characteristics by two independent coders. Subsequently, factors influencing the characteristics will be identified by multiple regression analysis.
Project
The project is sponsored by the Digital Society Initiative (DSI) and seeks to advance existing bot detection methodologies in social media by applying a combination of geographic trajectory and emotion analysis to explore bot detection from Twitter that later could help in improved public health surveillance. BOTS will deliver crucial knowledge about the nature of bot tweets (type, geographic trace, and emotive composition) that can be investigated in relation to bot tweets' volume by topic, compared to user-generated content and their impact on users' subsequent activity. Furthermore, having a better understanding about bot activity in social media (qualitatively and quantitatively) will help to more precisely (with and without bot accounts) identify geographic areas (and populations) exhibiting high concentrations (hotspots) of specific emotions or stress, as well as track the spread and distributional dynamics of stress related content (e.g. social contagion) in real time.