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Dissertation
Working after hours, sharing availability expectations, and interrupting yourself: Extending perspectives on ICT-related concepts in research
(2019)
This dissertation investigates Information and Communication Technologies (ICTs) and their role for recovery, well-being, and performance at work. The three empirical studies compiled in this dissertation investigate the influence of ICT work-related use at work and at home, as well as supervisors’ expectations regarding extended availability. The three main goals of the dissertation were to explore alternative ways of understanding ICT-related concepts, to identify additional factors that change their impact and the ...
Aufsatz
Voting on the threat of exclusion in a public goods experiment
(2019-04-01)
Ostracism is practiced by virtually all societies around the world as a means of enforcing cooperation. In this paper, we use a public goods experiment to study whether groups choose to implement an institution that allows for the exclusion of members. We distinguish between a costless exclusion institution and a costly exclusion institution that, if chosen, reduces the endowment of all players. We also provide a comparison with an exclusion institution that is exogenously imposed upon groups. A significant share of ...
Konferenzveröffentlichung
Gestaltung smarter persönlicher Assistenten zwischen Rechtsverträglichkeit und Dienstleistungsqualität
(Gesellschaft für Informatik e.V. (GI), 2019)
Smarte persönliche Assistenten von Amazon, Google und zahlreichen anderen Anbietern ermöglichen es, qualitativ hochwertige elektronische Dienstleistungen anzubieten. Gleichzeitig bringen diese Systeme auch viele Risiken mit sich. Berichte von diskriminierenden oder unverständlichem Systemverhalten häufen sich und verursachen Skepsis in der Gesellschaft. Diesen Problemen kann mit einer gleichermaßen rechtsverträglichen und qualitätsorientierten ITGestaltung entgegengewirkt werden. In diesem Beitrag werden Rechtsvert ...
Konferenzveröffentlichung
Alexa, Can You Help Me Solve That Problem? - Understanding the Value of Smart Personal Assistants as Tutors for Complex Problem Tasks
(universi - Universitätsverlag Siegen, 2019)
In recent decades, the number of students per lecturer at universities has constantly risen. In these learning scenarios, individual lecturer support for helping students actively acquiring new knowledge is hardly possible. However, active student behavior is necessary for successful learning. Smart Personal Assistants such as Amazon’s Alexa or Google’s Home promise to fill this gap by being students’ individual tutors. In order to understand what students expect from Smart Personal Assistants as tutors and how they ...
Aufsatz
Die Vergütung nichtärztlicher Leistungen Sozialpädiatrischer Zentren
(2019)
Die Vergütung nichtärztlicher sozialpädiatrischer Leistungen Sozialpädiatrischer Zentren ist seit langem ein streitträchtiges Thema. In jüngster Zeit beschäftigt das Thema immer wieder die zuständigen Schiedsstellen, und im vergangenen Jahr wurde eine längere Auseinandersetzung durch ein Urteil des LSG Berlin-Brandenburg zum Abschluss gebracht. Dieses Urteil soll im folgenden Aufsatz analysiert werden.
Aufsatz
The choice of institutions to solve cooperation problems: a survey of experimental research
(2019-11-01)
A growing experimental literature studies the endogenous choice of institutions to solve cooperation problems arising in prisoners’ dilemmas, public goods games, and common pool resource games. Participants in these experiments have the opportunity to influence the rules of the game before they play the game. In this paper, we review the experimental literature of the last 20 years on the choice of institutions and describe what has been learned about the quality and the determinants of institutional choice. Cooperative ...
Konferenzveröffentlichung
Alexa, Can You Help Us Solve This Problem? How Conversations With Smart Personal Assistant Tutors Increase Task Group Outcomes
(Association for Computing Machinery, 2019)
Despite a growing body of research about the design and use of Smart Personal Assistants, existing work has mainly focused on their use as task support for individual users in rather simple problem scenarios. Less is known about their ability to improve collaboration among multiple users in more complex problem settings. In our study, we directly compare 21 groups who either use a Smart Personal Assistant tutor or a human tutor when solving a problem task. The results indicate that groups interacting with Smart ...
Aufsatz
Machines as teammates: A research agenda on AI in team collaboration
(2019-07-06)
What if artificial intelligence (AI) machines became teammates rather than tools? This paper reports on an international initiative by 65 collaboration scientists to develop a research agenda for exploring the potential risks and benefits of machines as teammates (MaT). They generated 819 research questions. A subteam of 12 converged them to a research agenda comprising three design areas – Machine artifact, Collaboration, and Institution – and 17 dualities – significant effects with the potential for benefit or harm. ...
Konferenzveröffentlichung
Insights into Using IT-Based Peer Feedback to Practice the Students Providing Feedback Skill
(University of Hawaii at Manoa, Hamilton Library, ScholarSpace, 2019)
The skills students need nowadays have changed over the last decades. The required skills are shifting more and more towards higher order thinking skills, such as critical thinking, collaboration and communication. One of the main ways of practicing these skills is through formative feedback, which consists of self-assessment and peer-assessment in our setting.
However, today’s lecturers are facing the challenge that the number of students per lecture is continuously increasing, while the available budget is stagnating. ...
Working paper
Das Sammeln und Kaufen von Contemporary Art
(2019)
Das Verhalten von Kunstsammlern und -käufern und die zugrundeliegende Motivation, gerade Contemporary Art zu erwerben, ist heute vor allem aus wirtschaftswissenschaftlicher Perspektive von großem Interesse. Dies ist zum einen auf den in beträchtlichem Maße wachsenden Markt für Contemporary Art zurückzuführen.