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Less carrot more stick: investigating deposit contract financial incentives for physical activity behavior change in a smartphone application
(2021)Background: Deposit contracts, a form of financial incentives in which participants deposit their own money, are an inexpensive intervention with possibly beneficial effects on behavior by utilizing the power of loss aversion. However, uptake might be limited and literature suggests that merely framing an incentive as a loss is more effective than framing it as a gain. This study investigated whether (1) deposit contracts have lower uptake ...Conference Poster -
Human attributes in conversational agents: A field study with an app-based lifestyle intervention
(2021)Background: eHealth is helpful in improving people’s lifestyle. Although automated self-help interventions are easier to implement, adherence is often higher in human-supported ones. This could be due to a lack of human attributes and low working alliance associated with automated self-help interventions. We therefore investigated whether adding visual and relational human cues to a conversational agent increases working alliance, and ...Conference Poster -
Development of a mindfulness and relaxation app and evaluation of the effectiveness on cancer patients’ distress: a randomized controlled multicenter stud
(2021)Background: Mind-body interventions have the potential to reduce cancer patients’ distress during initial care and rehabilitation, but access to face-to-face interventions is often limited due to entry barriers such as geographical distance, time, financial constraints, or lack of service providers, or due to rules on hygiene and social distancing such as those associated with the recent COVID- 19 pandemic. Mobile applications (apps) can ...Conference Poster -
Breeze, ein spielerisches Biofeedback Atemtraining für das Smartphone: Physiologische Reaktionen und subjektive Einschätzungen aus einem Labor- und Online-Experiment
(2021)Hintergrund: Langsames Atmen hat eine positive Wirkung auf die Herzfunktion und auf das psychische Wohlbefinden. Daher werden entsprechende Atemübungen oft bei chronischen Krankheiten empfohlen; sie werden allerdings aus verschiedenen Gründen nur von bestimmten Personengruppen ausgeübt und haben somit eine eingeschränkte Reichweite und Wirkung. Ziel: Die Breeze App verfolgt das Ziel, die Reichweite von Atemübungen mit einem spielerischen ...Conference Poster -
Smartphone-based Biofeedback Breathing Training for Stress Management
(2018)Applied Machine Learning DaysConference Poster -
Therapy Adherence of Obese Children in a 6-Month High-Frequency Intervention
(2017)Conference Poster -
Ally: A Smartphone-based Physical Activity Intervention
(2017)No behavior has an impact on human health as great as physical activity (PA). We therefore developed Ally, a smartphone-based 6-week PA intervention. Ally seeks to exploit the ubiquity and sensing capabilities of mobile phones to adapt the provision of PA interventions to the context of the user. In this research we investigate the following research questions: (1) What are effective components of Ally, a mHealth physical activity ...Conference Poster -
Smartphone-based Cough and Sleep Quality Detection
(2018)We are investigating to which degree of accuracy can a mobile application detect asthmatic nocturnal cough and sleep quality with the smartphone’s built-in microphone?Conference Poster -
Nocturnal cough and sleep quality to assess asthma control and predict attacks
(2020)Conference Poster