Recent years have seen a rapid proliferation of mass-market consumer software that takes inspiration from video games. Usually summarized as "gamification", this trend connects to a sizeable body of existing concepts and research in human-computer interaction and game studies, such as serious games, pervasive games, alternate reality games, or playful design. However, it is not clear how "gamification" relates to these, whether it denotes a novel phenomenon, and how to define it. Thus, in this paper we investigate "gamification" and the historical origins of the term in relation to precursors and similar concepts. It is suggested that "gamified" applications provide insight into novel, gameful phenomena complementary to playful phenomena. Based on our research, we propose a definition of "gamification" as the use of game design elements in non-game contexts.

/pdf/from-game-design-elements-to-gamefulness-defining-1wnas1kptm.pdf

From game design elements to gamefulness: defining "gamification"

Adequate initial configurations for molecular dynamics simulations consist of arrangements of molecules distributed in space in such a way to approximately represent the system's overall structure. In order that the simulations are not disrupted by large van der Waals repulsive interactions, atoms from different molecules must keep safe pairwise distances. Obtaining such a molecular arrangement can be considered a packing problem: Each type molecule must satisfy spatial constraints related to the geometry of the system, and the distance between atoms of different molecules must be greater than some specified tolerance. We have developed a code able to pack millions of atoms, grouped in arbitrarily complex molecules, inside a variety of three-dimensional regions. The regions may be intersections of spheres, ellipses, cylinders, planes, or boxes. The user must provide only the structure of one molecule of each type and the geometrical constraints that each type of molecule must satisfy. Building complex mixtures, interfaces, solvating biomolecules in water, other solvents, or mixtures of solvents, is straightforward. In addition, different atoms belonging to the same molecule may also be restricted to different spatial regions, in such a way that more ordered molecular arrangements can be built, as micelles, lipid double-layers, etc. The packing time for state-of-the-art molecular dynamics systems varies from a few seconds to a few minutes in a personal computer. The input files are simple and currently compatible with PDB, Tinker, Molden, or Moldy coordinate files. The package is distributed as free software and can be downloaded from http://www.ime.unicamp.br/~martinez/packmol/.

/pdf/packmol-a-package-for-building-initial-configurations-for-qsy9r74wrw.pdf

PACKMOL: a package for building initial configurations for molecular dynamics simulations.

Over the last decade, ‘user experience’ (UX) became a buzzword in the field of human – computer interaction (HCI) and interaction design. As technology matured, interactive products became not only more useful and usable, but also fashionable, fascinating things to desire. Driven by the impression that a narrow focus on interactive products as tools does not capture the variety and emerging aspects of technology use, practitioners and researchers alike, seem to readily embrace the notion of UX as a viable alternative to traditional HCI. And, indeed, the term promises change and a fresh look, without being too specific about its definite meaning. The present introduction to the special issue on ‘Empirical studies of the user experience’ attempts to give a provisional answer to the question of what is meant by ‘the user experience’. It provides a cursory sketch of UX and how we think UX research will look like in the future. It is not so much meant as a forecast of the future, but as a proposal – a stimulus for further UX research.

/pdf/user-experience-a-research-agenda-hedarvm89l.pdf

User experience - a research agenda

Thank you very much for downloading applied longitudinal data analysis modeling change and event occurrence. As you may know, people have look hundreds times for their favorite novels like this applied longitudinal data analysis modeling change and event occurrence, but end up in malicious downloads. Rather than enjoying a good book with a cup of coffee in the afternoon, instead they are facing with some infectious virus inside their computer.

Applied Longitudinal Data Analysis Modeling Change And Event Occurrence

"Gamification" is an informal umbrella term for the use of video game elements in non-gaming systems to improve user experience (UX) and user engagement. The recent introduction of 'gamified' applications to large audiences promises new additions to the existing rich and diverse research on the heuristics, design patterns and dynamics of games and the positive UX they provide. However, what is lacking for a next step forward is the integration of this precise diversity of research endeavors. Therefore, this workshop brings together practitioners and researchers to develop a shared understanding of existing approaches and findings around the gamification of information systems, and identify key synergies, opportunities, and questions for future research.

http://gamification-research.org/wp-content/uploads/2011/04/01-Deterding-Sicart-Nacke-OHara-Dixon.pdf

Gamification. using game-design elements in non-gaming contexts

Social contexts play an important role in understanding acceptance and use of technology. However, current approaches used in HCI to describe contextual influence do not capture it appropriately. On the one hand, the often used Technology Acceptance Model and related frameworks are too rigid to account for the nuanced variations of social situations. On the other hand, Goffman’s dramaturgical model of social interactions emphasizes interpersonal relations but mostly overlooks the material (e.g., technology) that is central to HCI. As an alternative, we suggest an approach based on Social Practice Theory. We conceptualize social context as interactions between co-located social practices and acceptability as a matter of their (in)compatibilities. Finally, we outline how this approach provides designers with a better understanding of different types of social acceptability problems and helps finding appropriate solutions.

Towards a Better Understanding of Social Acceptability

The goal of a wellbeing-driven approach to technology design is to improve peoples' everyday lives by providing enjoyable and meaningful experiences. While models and frameworks to disentangle the complex interplay between wellbeing and technology exist, most of these remain rather abstract. What seems required are methods and tools to support designers/developers with identifying concrete opportunities to improve wellbeing through design. This paper introduces the Positive Practice Canvas (PPC) as such a tool. The PPC is an interview guide and notepad to gather instances of especially enjoyable and meaningful practices. We introduce our particular approach to wellbeing-driven design, describe and discuss the PPC as well as resulting insights in detail.

The positive practice canvas: gathering inspiration for wellbeing-driven design

In radiology, medical technology providers (MTP) focus mainly on technology-related issues, such as image quality or efficiency of reporting. Broader notions of radiology as "meaningful work" are largely seen as out of scope for an MTP. The present paper challenges this. In a real-world case with a large MTP, we showed that medical technology could be designed more holistically to explicitly improve radiologists' wellbeing. We first gathered work practices experienced as especially conducive to wellbeing. From there, we distilled ideal practices to increase wellbeing and turned them into two software applications. The MTP's initial skepticism dissolved, while radiologists unanimously emphasized wellbeing and demonstrated how they work towards improving it. Based on our insights, the applications resonated well among the radiologists involved, the healthcare provider, and other customers of the MTP. We close with a critical reflection of the challenges and opportunities of designing wellbeing-driven technology in the work domain.

Meaningful Technology at Work - A Reflective Design Case of Improving Radiologists' Wellbeing Through Medical Technology

In many situations, people make judgments on the basis of incomplete information, inferring unavailable attributes from available ones. These inference processes may also well operate when judgments about a product’s user-experience are made. To examine this, an inference model of user-experience, based on Hassenzahl and Monk’s [2010], was explored in three studies using Web sites. All studies supported the model’s predictions and its stability, with hands-on experience, different products, and different usage modes (action mode versus goal mode). Within a unified framework of judgment as inference [Kruglanski et al. 2007], our approach allows for the integration of the effects of a wide range of information sources on judgments of user-experience.

User-Experience from an Inference Perspective

Interaction in the Public

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