Veronika Karnowski

Technische Universität Chemnitz · Institut für Medienforschung

Self-tracking technologies have been regarded both very optimistic and very critical. However, these conclusions are often based on single application studies and lack empirical evidence on actual self-tracking usage. We set out to identify types of self-tracking usage based on users’ mobile media ensembles and their varying levels of engagement wi...

How do innovations spread across society? What role do communication channels play in this process? Which factors influence the successful diffusion of an innovation? What are the specifics of the diffusion of media innovations? How does news spread across society? Diffusion theory deals with these questions from different perspectives. This volume...

How do innovations spread across society? What role do communication channels play in this process? Which factors influence the successful diffusion of an innovation? What are the specifics of the diffusion of media innovations? How does news spread across society? Diffusion theory deals with these questions from different perspectives. This volume...

How do innovations spread across society? What role do communication channels play in this process? Which factors influence the successful diffusion of an innovation? What are the specifics of the diffusion of media innovations? How does news spread across society? Diffusion theory deals with these questions from different perspectives. This volume...

How do innovations spread across society? What role do communication channels play in this process? Which factors influence the successful diffusion of an innovation? What are the specifics of the diffusion of media innovations? How does news spread across society? Diffusion theory deals with these questions from different perspectives. This volume...

How do innovations spread across society? What role do communication channels play in this process? Which factors influence the successful diffusion of an innovation? What are the specifics of the diffusion of media innovations? How does news spread across society? Diffusion theory deals with these questions from different perspectives. This volume...

How do innovations spread across society? What role do communication channels play in this process? Which factors influence the successful diffusion of an innovation? What are the specifics of the diffusion of media innovations? How does news spread across society? Diffusion theory deals with these questions from different perspectives. This volume...

How do innovations spread across society? What role do communication channels play in this process? Which factors influence the successful diffusion of an innovation? What are the specifics of the diffusion of media innovations? How does news spread across society? Diffusion theory deals with these questions from different perspectives. This volume...

How do innovations spread across society? What role do communication channels play in this process? Which factors influence the successful diffusion of an innovation? What are the specifics of the diffusion of media innovations? How does news spread across society? Diffusion theory deals with these questions from different perspectives. This volume...

How do innovations spread across society? What role do communication channels play in this process? Which factors influence the successful diffusion of an innovation? What are the specifics of the diffusion of media innovations? How does news spread across society? Diffusion theory deals with these questions from different perspectives. This volume...

How do innovations spread across society? What role do communication channels play in this process? Which factors influence the successful diffusion of an innovation? What are the specifics of the diffusion of media innovations? How does news spread across society? Diffusion theory deals with these questions from different perspectives. This volume...

How do innovations spread across society? What role do communication channels play in this process? Which factors influence the successful diffusion of an innovation? What are the specifics of the diffusion of media innovations? How does news spread across society? Diffusion theory deals with these questions from different perspectives. This volume...

Smartphone apps for self-tracking breastfeeding emerged as a popular tool among new mothers. Yet, we know little about how mothers use these apps and, most importantly, how self-tracking breastfeeding relates to maternal well-being. After surveying a sample of German mothers engaging with breastfeeding trackers (n = 234; recruited via an online acc...

With more young adults turning to YouTube for up-to-date news, this development raises questions about their news usage patterns and, more precisely, their perception of News-YouTubers as a crucial source for opinion-forming. Drawing on concepts of social media information behavior and the heuristic-systematic model, this study provides initial ins...

More and more individuals turn to apps to increase their well-being or reduce stress, with meditation apps being most popular to achieve these goals. However, considering the underlying normative imperative of idealised self-help inherent in the well-being app market, concerns have been raised that these apps and how they are promoted on the app ma...

The past two decades have witnessed tremendous change in our media ecologies, with one big trend among those changes being the rise of mobile media. Using these devices is not tied to any given location but they can be carried along with their users, enabling media use in nearly each and every context and situation in our everyday lives. Hence, the...

Background Current systematic reviews of randomized controlled trials suggest positive influences of mobile app-based health promotion programs on dietary and physical activity behaviors. However, the actual adoption of and rates of nutrition app use remain low among the overall population. Therefore, we took a step back and investigated actual use...

Over the past three decades our media ecologies have changed substantially, not at least changing the ways in which we get in touch with the news. These changes have led both to high hopes for more equality in news access and a better-informed electorate, as well as fears of news avoidance, filter bubbles, and increasing knowledge gaps, with recent...

We investigated how sharing performance on Facebook and Twitter is influenced both by news articles’ content characteristics and the availability of additional news articles reporting on the same news topic. We conducted a multi-method study, integrating automated data collection and manual/automated content analyses of 1,764 German online news art...

Mobile devices are deeply embedded in people’s everyday lives. On the one hand, this opens up a new field for media and communication research. On the other hand, the widespread diffusion allows for integrating mobile devices into our methodological toolkit. Researchers across the globe have creatively started to take advantage of these new opportu...

Electronic patient records or virtual consultation hours—in recent years, digital developments have increasingly found their way into medical care structures and individual healthcare. Additionally, communication on health and illness in individuals’ everyday lives is increasingly taking place via digital media and has become an element of our life...

Die Diffusionsforschung modelliert sowohl auf der Mikroebene des einzelnen Individuums als auch auf der Makroebene der Gesellschaft den Prozess der Verbreitung von Innovationen sowie verschiedene Faktoren(gruppen), die diesen Prozess beeinflussen. Innovationen können dabei sowohl Kombinationen aus Gegenstand und damit verbundener Information, wie b...

As online news today is an important source of political information and available in vast quantities, understanding its use and its impact on citizens' political knowledge is vital. The aim of the present study is to identify different usage patterns of online news and their relation to individually perceived (i.e., subjective) and actually measur...

Purpose Occupational asthma and allergies are potentially preventable diseases affecting 5–15% of the working population. However, the use of preventive measures is often insufficient. The aim of this study was to estimate the average treatment effect of an educational intervention designed to improve the knowledge of preventive measures against as...

Background: To achieve clarity on mobile health's (mHealth's) potential in the diabetes context, it is necessary to understand potential users' needs and expectations, as well as the factors determining their mHealth use. Recently, a few studies have examined the user perspective in the mHealth context, but their explanatory value is constrained b...

This volume offers insights into current research on the reception and effects of the digital revolution in public communication in the field of communication science. The contributions it contains deal with questions about the use of news on Facebook, the articulation of opinions on the public Net and the influencing of opinions on social media (e...

Quantifying the ubiquitous, ephemeral, and highly diverse patterns of mobile social media (MSM) use is a challenge for communication research. Most researchers employ retrospective survey measurement, thus depending on the accuracy of users’ memories and generalizations. Alternatively, some researchers rely on in-situ measurement, being less depend...

Children from disadvantaged families are particularly exposed to second hand smoke in their home environment. Using a mixed methods participatory approach, we aimed at identifying suitable media channels and appropriate content for a campaign increasing caregivers' knowledge about the risks of second hand smoke (SHS) exposure for their children and...

Social media have become an integral part of online news use, affecting how individuals find, consume, and share news. By applying the Theory of Reasoned Action (TRA), this study investigates the effects of motives, attitude, and intention on news-sharing behavior among German social media users (n = 333). Findings show that news-sharing attitude a...

BACKGROUND To achieve clarity on mobile health’s (mHealth’s) potential in the diabetes context, it is necessary to understand potential users’ needs and expectations, as well as the factors determining their mHealth use. Recently, a few studies have examined the user perspective in the mHealth context, but their explanatory value is constrained bec...

Fachzeitschriften sind ein Indikator für die Etablierung einer wissenschaftlichen Disziplin, insgesamt, aber auch für den Einfluss unterschiedlicher Personen und Institute. Der vorliegende Beitrag schreibt einschlägige Vorläuferstudien fort und untersucht die berufliche Stellung und den Standort der Autorinnen und Autoren der Beiträge der Zeitschri...

Die Diffusionsforschung modelliert sowohl auf der Mikroebene des einzelnen Individuums als auch auf der Makroebene der Gesellschaft den Prozess der Verbreitung von Innovationen sowie verschiedene Faktoren(gruppen), die diesen Prozess beeinflussen. Innovationen können dabei sowohl Kombinationen aus Gegenstand und damit verbundener Information, wie b...

Latent class analysis is a statistical procedure to identify underlying and unobservable categorical latent variables based on categorical observed indicators. By attributing cases to the value of the categorical latent variable it most probably belongs to, latent class analysis can be used for clustering. Latent class analysis does have a series o...

The WEBNAS analysis method is a methodological toolkit to analyze web navigation and searching behavior. It aims for holistic understanding of the web navigation and searching process based on a modular approach that can be tailored to various research questions.

On social network sites (SNS), people are increasingly confronted with news content—even if they have not actively been looking for it. Although it is widely recognized that SNS have become a main driver for such incidental news exposure, we know little about the factors that influence whether users engage with news encountered on SNS. Thus, this s...

The mobile phone appropriation (MPA) scale, originally developed in German, was translated into and adapted to English and initially validated through a confirmatory factory analysis (CFA) in this study. First, the theoretical background of the MPA model is briefly introduced, followed by explanations regarding the process of translating the origin...

Everett M. Rogers (*1930 in Carroll, IA; † 2004 in Albuquerque, NM) gilt mit seinem mittlerweile in fünfter Auflage erschienenem Buch Diffusion of innovations fraglos als Vater der Diffusionsforschung. In seinem Schlüsselwerk setzt er sich mit der Frage auseinander, wie sich Innovationen in einem sozialen System verbreiten und welche in- und extern...

This article provides a review of scientific, peer-reviewed articles that examine the relationship between news sharing and social media in the period from 2004 to 2014. A total of 461 articles were obtained following a literature search in two databases (Communication & Mass Media Complete [CMMC] and ACM), out of which 109 were deemed relevant bas...

News consumption across all sorts of media has been researched by communication scholars for decades; analyzing its effects, and describing shifts in news consumption behavior - mostly regarding changes in the media ecology. These days, we are witnessing another major change in the media ecology: the rise of mobile (online) media. The fast and wide...

Several studies have identified important factors for search success in online searches, but until now it has not been determined whether the influence of these factors varies during the search process. This study analyzes (a) whether search expertise, prior topic knowledge, topic interest, or flow experience during a search of the World Wide Web (...

In papers and presentations dealing with the consequences of digitalization, the generation which was born into and grew up during the digitalization process is often called “digital natives” (cf. Prensky 2001). Other expressions used are “net genners”, “millennials”, “net generation”, or “net kids” (cf. Paus-Hasebrink et al. 2010). People who do n...

This research explores how the mobile phone appropriation patterns of an Indian migrant group in Singapore are linked to acculturation strategies. The circular model of mobile phone appropriation was adopted to investigate aspects of usage and handling, prestige and social identity, and metacommunication. Following a pluralistic-typological approac...

Technological convergence has led to the ability to access the internet from a variety of mobile devices. Drawing on the Mobile Phone Appropriation Model (Wirth, von Pape & Karnowski, 2008), we sought to understand how people conceptualize and use the mobile internet by conducting semistructured interviews with 21 mobile internet users, half Americ...

Technological convergence has led to the ability to access the internet from a variety of mobile devices. Drawing on the Mobile Phone Appropriation Model (Wirth, von Pape & Karnowski, 2008), we sought to understand how people conceptualize and use the mobile internet by conducting semistructured interviews with 21 mobile internet users, half Americ...

Die Diffusionstheorie beschäftigt sich mit dem Prozess der Verbreitung von Innovationen in einer Gesellschaft. Sie ist in zweierlei Hinsicht relevant für die Kommunikationswissenschaft: zum einen ist der Diffusionsprozess selbst ein maßgeblich durch massenmediale und interpersonale Kommunikationskanäle angetriebener Prozess, zum anderen stehen oftm...

Abstract This study examines the development of video game enjoyment over time. The results of a longitudinal study (N=62) show that enjoyment increases over several sessions. Moreover, results of a multilevel regression model indicate a causal link between the dependent variable video game enjoyment and the predictor variables exploratory behavior...

The web is going mobile, and the scope of mobile communication is widening tremendously, thus paving the way for a wide array of new forms of mobile device use. However, not every user is necessarily all the time taking advantage of the expanded affordances of mobile devices. Texting and phoning are still the predominant services in mobile communic...

Die rasante Verbreitung der Mobilkommunikation in den vergangenen Jahrzehnten hat der Kommunikationswissenschaft nicht nur einen neuen Untersuchungsgegenstand beschert, sondern ist auch dazu geeignet, das Methodenspektrum des Fachs zu erweitern. Die hier vorgestellte Mobile Experience Sampling Method erfasst in situ - also in der natürlichen Umgebu...

Television and mobile telephone constitute two media technologies that are strongly anchored in most consumers' everyday life. Hence, combining those two seems a promising bet. Not surprisingly, early expectations on the success of mobile TV were extremely confident (European Commission 2008, Abiniak, 2008, Cugnini, 2008). While no reliable data fo...

Unintentionally overhearing a phone call while on a train, being advised to turn off one's cell phone in a cinema, or watching on the TV serials Gilmore Girls Lorelai Gilmore calling her daughter Rory on her mobile phone-these examples highlight the way in which mobile communication has become a part of our everyday lives. The mobile phone, origina...

Mass communication can be best described by its counterparts. With regard to the number of people involved, mass communication has many participants, whereas interpersonal communication has few. With regard to visibility, mass communication is highly visible and public; private communication is hidden from others. Mass-communication messages are mo...

Wie verbreiten sich Innovationen in einer Gesellschaft? Welche Rolle spielen (massenmediale) Kommunikationskanäle in diesem Prozess? Welche Faktoren beeinflussen die erfolgreiche Verbreitung einer Innovation? Welche Besonderheiten treten bei der Diffusion von Medieninnovationen auf? Wie verbreiten sich Nachrichten in einer Gesellschaft? Diese Frage...

As progressively more information and everyday tasks move to the domain of the Web, it is increasingly important to understand how users navigate and search in a Web environment. Whereas numerous studies have focused on specific questions and methods in analyzing selective aspects of this behavior, few have employed an integrative approach, taking...

With the introduction of the mobile TV format « DVB-H » (Digital Video Broadcasting -- Handheld) in Europe -- and notably in France this year --, the combination between mobile telephony and television promises to turn into a success story soon. With enormous investments, access providers and audiovisual media are betting on the new technology to o...

The evolution of mobile communication devices and services has taken up a dynamic which makes any prognosis on in this field almost impossible. Whereas part of this dynamic may remain inscrutable, we believe that a much higher degree of explanation can be achieved by paying more attention to the process of appropriation. To seize this potential, we...

Das ehemals als mobiles Telefon eingeführte Handy ist heute ein umfassendes Innovationscluster, das neben Diensten der Individualkommunikation auch massenmediale Anwendungen beinhaltet. Um den Erfolg dieses Innovationsclusters erklären und prognostizieren zu können, gilt es über die bloße Kaufentscheidung hinaus dessen Aneignung im Alltag der Nutze...

It is becoming increasingly important to understand in greater detail how people process information and make decisions while searching on the World Wide Web. With the distinction between systematic and heuristic processing, dual-process theories and decision theory provide a useful framework for analyzing this decision-making. A laboratory quasi-e...

Weitgehend unbeachtet von Medien und Wissenschaft hat die Mobilkommunikation in Deutschland im Herbst 2006 einen Meilenstein ihrer Entwicklung erreicht: Wie die Bundesnetzagentur (Bundesnetzagentur 2006) meldete, hat der Markt im dritten Quartal eine hundertprozentige Penetration erreicht - auf ca. 82 Millionen Deutsche kommen mehr als 83 Millionen...