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A wealth of evidence suggests that love, closeness, and intimacy---in short relatedness---are important for people’s psychological well-being. Nowadays, however, couples are often forced to live apart. Accordingly, there has been a growing and flourishing interest in designing technologies that mediate (and create) a feeling of relatedness when being(More)
With the experiential turn in Human–Computer Interaction (HCI), academics and practitioners broaden their focus from mere task-fulfillment (i.e., the pragmatic) to a holistic view, encompassing universal human needs such as relatedness or popularity (i.e., the hedonic). Accordingly, many theoretical models of User Experience (UX) acknowledge the hedonic as(More)
The empirical study of aesthetics in Human-Computer Interaction (HCI) is concerned with - among other topics - the relationship between beauty and usability and the general impact of beauty on product choice and use. Specifically, the present paper explores the notion of a "beauty dilemma" - the idea that people discount beauty in a choice situation,(More)
This design case presents and discusses the <i>Shower Calendar</i>, a "persuasive" concept for reducing the con-sumption of water for showering. It starts from a dis-cussion of different types of feedback employed by earlier design cases. Based on this, we designed the <i>Calendar</i> concept as an ambient, persistent and indi-vidualized feedback. A field(More)
Mit neuen Technologien entstehen auch neue Interaktionskonzepte. Beispiels-weise kann man eine Telefonnummer mittlerweile durch das Drehen einer Wählscheibe (wer erinnert sich noch?), dem Drücken der Tasten des Num-mernblocks, aber auch mittels Touchdisplay, Sprach-oder Gestens-teuerung eingeben. Doch welche dieser Varianten ist die beste? Und wo genau(More)
Not long ago, interaction was predominantly determined by technology itself or adhered to simple principles of efficiency (e.g., only three clicks away). Today interaction has to "feel good" and has to be "beautiful". This poses the question of how to conceptualize this emerging "aesthetics of interaction". In the present paper, we discuss existing(More)
New technologies and opportunities in interaction design also come with new responsibilities. Besides the product's visual aesthetics, design needs to address the aesthetics of interaction. We discuss the various starting points of emerging approaches and then present an own approach to the How of interaction. We suggest an interaction vocabulary, i.e., a(More)
Recently, researchers and practitioners of Human-Computer Interaction started to distinguish instrumen-tal, task-related, pragmatic quality aspects (i.e., use-fulness, usability) of interactive products from non-instrumental, self-referential, hedonic quality aspects (e.g., beauty, novelty). Although both qualities are ap-preciated while using a product,(More)