Sascha Mahlke

Learn More
This paper describes a research approach to the experimental study of emotional experiences and their connections to other components of user experience in human-technology interaction. We present a model of user experience that integrates interaction characteristics, instrumental and non-instrumental quality perceptions, emotional user reactions and(More)
In this paper, we present an integrative approach to describe the user experience of website usage. Starting from a basic user experience process model four dimensions of experience are integrated in the model: perceived usefulness, ease of use, hedonic quality and visual attractiveness. The model is tested empirically in two web domains: online bookshops(More)
The design of the user experience has increasingly become a goal in developing interactive systems during the last years. Since then, several attempts have been made to broaden interactive system design’s traditional focus on the efficient achievement of goals to better understand additional aspects that contribute to user experience. In this paper, I first(More)
Quality aspects that go beyond the instrumental value of an interactive system are one area of research in the field of user experience. In this paper we describe an approach to the measurement of non-instrumental qualities that defines aesthetic and symbolic aspects as main sub-categories and discuss further relevant sub-dimensions. An exemplary study on(More)
OBJECTIVE An evaluation study was conducted to answer the question of which system properties of night vision enhancement systems (NVESs) provide a benefit for drivers without increasing their workload. BACKGROUND Different infrared sensor, image processing, and display technologies can be integrated into an NVES to support nighttime driving. Because each(More)
The present study examines the role of subjectively preceived factors of the experience of website usage in forming an intention to use a website. An integrative research model is presented and tested empirically. It includes the following four aspects of experience: perceived usefulness, ease of use, hedonic quality and visual attractiveness. The two main(More)
The study of users' emotional behavior in HCI has been receiving increasing attention for the last few years. This paper focuses on emotions as an important part of a user's overall experience when interacting with a system. Based on the multi-component approach to emotions proposed by Scherer [15], different aspects of emotions in an interactive context(More)
  • Sascha Mahlke
  • The Study of Visual Aesthetics in Human-Computer…
  • 2008
This paper describes the outcomes of a project that focused on the integration of non-instrumental qualities like aesthetic and symbolic aspects and emotional user reactions with traditional, instrumental-focused approaches to users’ experience of interaction. A research framework is described that conceptualizes user experience as a phenomenon consisting(More)