Situations-spezifische Fertigkeiten sind ein wichtiger Teil von Lehrerexpertise und insbesondere im Bereich des Klassenmanagements bedeutsam. Vor dem Hintergrund der Kompetenz- und Expertiseforschung synthetisiert die vorliegende Dissertation bisherige Befunde systematisch und untersucht, wie sich Novizen- und Expertenlehrpersonen in ihren Fertigkeiten hinsichtlich des Klassenmanagements unterscheiden. Studie 1 fasst den Forschungsstand in einem systematischen Review von 60 empirischen Studien zusammen und arbeitet Erkenntnisse zu Fertigkeiten und ihrer Förderung sowie zum konzeptuellen Rahmen der Studien heraus. Für Studie 2 und Studie 3 werden die Fertigkeiten von 20 Noviz*innen und 20 Expert*innen mit Hilfe von Videoausschnitten untersucht, die für das Klassenmanagement relevante Ereignisse zeigen. Studie 2 erforscht mit Hilfe von Eye-Tracking-Methoden insbesondere die Fertigkeit der Wahrnehmung sowie formatspezifische Expertiseeffekte. Es fand sich bei Expert*innen ein Fokus auf Schüler*innen, während Noviz*innen vor allem beim Partnerarbeitsformat weniger ausgeprägte Fertigkeiten zeigten. Studie 3 untersucht anhand von retrospektiven verbalen Analysen Expertiseeffekte hinsichtlich des Wahrnehmens, Interpretierens und Entscheidens. Expertise war erneut durch einen Fokus auf Schüler*innen gekennzeichnet. Zudem boten Expert*innen mehr Handlungsmöglichkeiten an als Noviz*innen. Zusammenfassend lässt sich feststellen, dass Expert*innen vor allem hinsichtlich des Entscheidens überlegen sind. Weiterhin deuten die Ergebnisse darauf hin, dass offenere Unterrichtsformate für Noviz*innen besonders herausfordernd sind. Die Bedeutung der Ergebnisse wird hinsichtlich der allgemeinen Expertise- und Kompetenzforschung sowie der Klassenmanagementforschung diskutiert. Die Studien zeigen theoretische Inkohärenz hinsichtlich des Konstrukts situations-spezifischer Fertigkeiten auf, sowie eine starke Fokussierung bisheriger Forschung auf Störungen in Frontalunterrichtsszenen. / Situation-specific skills are an important part of teacher expertise and are particularly relevant in the area of classroom management. Against the background of general and classroom management-specific teacher competence and expertise research, this dissertation systematically synthesized previous findings and also investigated how novice and expert teachers differ in their skills with regard to classroom management. Study 1 summarized the state of research in a systematic review of 60 empirical studies, thereby identifying insights into teachers’ skills and their facilitation, as well as the conceptual frameworks of the studies. For Study 2 and Study 3, the skills of 20 novice and 20 expert teachers were examined using video clips that show events relevant to classroom management. Study 2 investigated format-specific expertise effects and, in particular, the skill of perception by using eye tracking methods. Experts were found to focus on students and their learning, while novices showed less pronounced skills, especially in the partner work format. Using teachers’ retrospective verbal analyses of classroom management events, Study 3 examined expertise effects with respect to teachers’ perception, interpretation and decision-making. Again, expertise was characterized by a focus on students. In addition, experts proposed more alternative courses of action than novices. In summary, it can be concluded that experts are superior to novices especially with regard to the skill of decision-making. Furthermore, the results indicate that more open formats of instruction are particularly challenging for novices. The relevance of the results is discussed with regard to general expertise and competence research as well as classroom management research. The studies point to theoretical ambiguities regarding the construct of situation-specific skills, as well as an overemphasis of previous research on behavioral management in whole-group instruction settings.

Wie funktioniert Stadtplanung in einem politischen Zeitalter, in dem Dialogfähigkeit eine Tugend und eine Notwendigkeit zugleich ist? Die Stadtplanung, die als institutionalisierte Technokratie zielorientierte Effektivität anstrebt und doch schwer fassbar ist, wurde zum Gegenstand ständiger öffentlicher Anfechtungen und obliegt einer immer häufigeren politischen Rechenschaftspflicht. Mit der unablässigen Forderung nach mehr städtischer Demokratie verschieben sich die Schwerpunkte und Wertvorstellungen der Stadtplanung hin zu mehr Öffentlichkeitsarbeit, Partizipation und Transparenz. In der vorliegenden Dissertation wird ein pragmatischer, von der Akteur-Netzwerk-Theorie inspirierter Forschungsansatz verwendet, um die zum Teil widersprüchlichen Auswirkungen des planerischen Strebens nach urbaner Lebensqualität im Zusammenspiel mit den öffentlichen Maßnahmen zu untersuchen. Unter dem Einfluss einer sich neu definierenden Norm, veränderten Werten und zunehmender Bürger:innenbeteiligung wird Stadtplanung als ein Ensemble von Situationen und Ereignissen beleuchtet, welche durch das Aufgreifen aktueller Fragen die Öffentlichkeit erreichen. Durch die Gegenüberstellung von drei verschiedenen Stadtverwaltungen -–Lissabon, Wien und Zürich–- und deren politischen Hintergründe, analysiert die Dissertation empirisch die Entstehung städtischer Herausforderungen als kollektives Anliegen angesichts der verschiedenen Formen öffentlichen Handelns in der Stadtplanung. Mit anderen Worten, es werden Beispiele der Stadtplanung in einer Vielzahl von Erscheinungsformen und Konfigurationen untersucht, indem analysiert wird, wie das Vorhandensein verschiedenster Weltanschauungen zu einer gemeinsamen Expertise hybridisiert wird. Zu diesem Zweck wird die Stadtplanung nicht als eine feste Modalität betrachtet, die zu téchne oder démos gehört, oder periodisch definiert wird; sondern als öffentliche Angelegenheit und Gemeingut, wobei hinterfragt wird, wie „gutes“ städtisches Leben an der Schnittstelle von Politik, Wissenschaft und Ethik problematisiert wird. / How does city planning work in a political age where being dialogic constitutes a virtue and imperative at once? Known as institutionalised technocracy and bounded polity, city planning has come to be the object of continuous acts of public contestation, and the subject of an increasing prevalence of political accountability. With a relentless demand for increased urban democracy, the conduits and implications of city planning are reassembled into novel layers of visibility, worth, transparency and discernibility. The present dissertation endorses a pragmatist-inspired ANT-lens to examine the adverse itineraries of planning’s pursuit to achieve good city life, and what sustains its current co- constitutions as a public action. Subject to normative shifts, value variations and civic engagements, city planning is investigated as an ensemble of situations and events that involves the particular urgent attribution of problems to publics. By juxtaposing political backgrounds from three diverse city administrations –– Lisbon, Vienna, and Zurich–– the dissertation empirically inquires the emergence of urban issues as collective concerns, in the face of planning’s various modes of public action. In other words, samples of city planning across a variety of expressions and configurations are examined, by analysing how the presence of many truths are framed, counter-framed and hybridised into shared expertise. To this end, city planning is studied not as a fixed modality belonging to téchne or démos, or as a periodic abyss, but as public matter and common good, questioning how good urban living is problematised at the intersection of politics, science and ethics.

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Many mediators exercise power across borders, facilitating talks, formulating agendas and manipulating interests of hostile parties. However, the problem of how mediators justify their use of power and how the terms of this justification legitimate mediators’ strategic conduct has not been systematically theorized and tested in the leverage literature yet. A configurational theory can provide varied combinations of mediator authority types and strategy. Two types, legal-rational authority and expert authority, will be conceptualized in relation to formulation strategy. The theory hypothesizes that an authoritative mediator’s acceptable formulation suppresses strategic bargaining and nurtures principled bargaining, propitious for agenda-based mediation success. The theory will be tested by an empirical puzzle. UN mediation on Kosovo (2005-2007) and NGO mediation on Aceh (2004-2005) have both been conducted by a directive approach but negotiations failed in the former case and succeeded in the latter. While the general co-variation supports the hypothesis from authoritative formulation, tracing the causal mechanism reveals that the theory cannot explain agenda-based mediation success in Aceh. Among other questions, a new puzzle suggests the viability of mediators’ varied speech acts as a fruitful research problem.

AHEAD (Adventures in Health, Education, and Agricultural Development) is a small grass-roots non-governmental organization working in the rural Meatu, District in Northern Tanzania. The AHEAD project employs Tanzanian nurses who provide health education, child weighing and nutritional counseling, family planning, and antenatal services. AHEAD has recently developed a water quality testing initiative in order to combat unsafe water supplies using solar pasteurization. Dr. Robert Metcalf, an AHEAD volunteer offers "expertise" to Meatu through transfer of solar cooking technology. Each summer, AHEAD takes volunteers into this setting who bring with them both "altruistic" and non-altruistic reasons for volunteering, economic and social capital, and a taste of the world beyond Meatu. This thesis looks at the Summer 2001 AHEAD experience ethnographically from three perspectives: 1) as public health practice, 2) in relation to the contested domain of international "development" , and 3) situated within the larger literature of non-profit and volunteer action research. These three snapshots of AHEAD suggest a project of globalization, theorized as the flow of people, goods, and information across boundaries. / Master of Science

The increasing utilization of generative artificial intelligence (AI) in organizations isenhancing productivity and decision-making processes of knowledge workers. However, alimited number of studies have focused on both communicative and organizationalimplications of how knowledge workers’ utilization of generative AI tools is affecting domainexpertise and knowledge sharing within organizations. In collaboration with the Swedishtelecommunications company Ericsson, this study embraces an interdisciplinary approach andimplements a qualitative research strategy based on data from 18 in-depth interviews withknowledge workers employed at a global ICT company. The findings highlight two keydimensions; firstly, knowledge workers perceived that by utilizing generative AI it couldaugment their expertise – both transcending domain boundaries and enhancing specializeddomain expertise. At the same time, they perceived work roles to become moresocio-technical in the future. Secondly, generative AI can facilitate knowledge sharingbetween domains by taking on the role of a mediator when communicating expertise acrossdomains. However, the facilitative knowledge sharing effects of generative AI might bedampened by potential silo effects when turning to generative AI instead of colleagues. Thishighlights the need for clear organizational objectives around generative AI usage and theimportance of collaborative knowledge sharing activities to create common understandings ofthe opportunities and limitations of generative AI tools / Den ökande användningen av generativ artificiell intelligens (AI) inom organisationerförbättrar produktiviteten och beslutsprocesser hos kunskapsarbetare. Däremot har ettbegränsat antal studier utförts som fokuserar på både kommunikativa och organisationellakonsekvenser av hur kunskapsarbetarnas användning av generativa AI verktyg påverkardomänexpertis och kunskapsdelning inom organisationer. I samarbete med det svenskatelekommunikationsföretaget Ericsson tillämpar denna studie ett tvärvetenskapligttillvägagångssätt och implementerar en kvalitativ forskningsansats baserat på data från 18djupintervjuer med kunskapsarbetare anställda på ett globalt ICT-företag. Resultatent visar påtvå huvuddimensioner; kunskapsarbetare uppfattade att de genom generativ AI kundeförstärka sin expertis genom att både överskrida domängränser och förbättra specialiseradexpertis. Samtidigt upplevde kunskapsarbetarna att arbetsroller kan komma att bli mersociotekniska i framtiden. Den andra dimensionen visar hur generativ AI kan faciliterakunskapsdelning som en medlare mellan olika domäner. Brist på tydlighet inomorganisationen gällande användningen av generativ AI i arbetsuppgifter och potentiellasilo-effekter kan däremot hindra verktygets kapaciteter för kunskapsdelning. Detta påvisarvikten av tydliga riktlinjer gällande användningen av generativ AI ochkunskapsdelningsaktiviteter för att skapa en gemensam förståelse av möjligheterna ochbegränsningarna med generativa AI verktyg.

The topic of information transparency is becoming increasingly important in the online B2C (business-to-consumer) clothing industry. While both information transparency and perceived brand credibility are already known to be important for the firm, research shows that it is challenging to understand how information transparency influences brand credibility. It is because of the rapid growth of the online clothing and fashion industry that the significance of this research is rooted. Therefore, this paper set out to explore the influence of information transparency on perceived brand credibility in the online B2C clothing industry by performing a qualitative analysis. Furthermore, this research takes inspiration from existing literature that was conducted on information transparency. This research applies the same dimensions of information transparency from the existing literature by Zhou, et al., (2018) – namely product, vendor, and transaction transparency –  to act as a framework for this research and understand how they act to influence the perceptions of brand credibility. Three brand credibility dimensions put forth by Keller (2013) – perceived expertise, trustworthiness, and likeability – were used to understand what brand credibility entails. It was found that product transparency and vendor transparency influence perceptions of brand credibility through the dimensions of trustworthiness and likeability, while transaction transparency influences perceptions of brand credibility through all dimensions of brand credibility as specified by Keller, (2013).