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You don't need to be convinced. You know that usability is key to the success of any interactive system-from commercial software to B2B Web sites to handheld devices. But you need skills to make usability part of your product development equation. How will you assess your users' needs and preferences? How will you design effective solutions that are grounded in users' current practices? How will you evaluate and refine these designs to ensure a quality product? Usability Engineering: Scenario-Based Development of Human-Computer Interaction is a radical departure from traditional books that emphasize theory and address experts. This book focuses on the realities of product development, showing how user interaction scenarios can make usability practices an integral part of interactive system development. As you'll learn, usability engineering is not the application of inflexible rules; it's a process of analysis, prototyping, and problem solving in which you evaluate tradeoffs, make reasoned decisions, and maximize the overall value of your product.Written by prominent HCI educators who understand how to teach usability practices to students and professional developers.Interleaves HCI theory and concepts with a running case study demonstrating their application. Gradually elaborates the case study to introduce increasingly sophisticated usability engineering techniques.Analyzes usability issues in realistic scenarios that describe existing or envisioned systems from the perspective of one or more users.Emphasizes the real world of usability engineering-a world in which tradeoffs must be weighed and difficult decisions made to achieve desired results.

Written by the author of the bestselling HyperText & HyperMedia, this book is an excellent guide to the methods of usability engineering. It emphasizes cost effective methods that will help developers improve user interfaces immediately. Step-by-step information on which methods to use at various stages during the development life cycle are included, along with how to run a usability test.

Written in an accessible, conversational style, this comprehensive introduction to usability engineering takes a project-based approach to the development process. Provides detailed coverage of the fundamentals without unnecessary depth or breadth, focusing readers on understanding the goals and process of usability engineering. Covers the entire usability engineering lifecycle, emphasizing select techniques and methodologies. Illustrates the user interface development process with examples from a medium-scale development example. For anyone interested in learning more about usability and user interfaces in computer systems and software.  

Written by the author of the best-selling HyperText & HyperMedia, this book is an excellent guide to the methods of usability engineering. The book provides the tools needed to avoid usability surprises and improve product quality. Step-by-step information on which method to use at various stages during the development lifecycle are included, along with detailed information on how to run a usability test and the unique issues relating to international usability. * Emphasizes cost-effective methods that developers can implement immediately* Instructs readers about which methods to use when, throughout the development lifecycle, which ultimately helps in cost-benefit analysis. * Shows readers how to avoid the four most frequently listed reasons for delay in software projects.* Includes detailed information on how to run a usability test.* Covers unique issues of international usability.* Features an extensive bibliography allowing readers to find additional information.* Written by an internationally renowned expert in the field and the author of the best-selling HyperText & HyperMedia.

Today's increasingly competitive and fiscally constrained business environment is fostering the need to cut costs and justify expenditures. Usability engineering is not yet universally accepted, nor is it yet an integrated aspect of software engineering, and would-be usability champions need more help than ever to win the funding necessary to introduce and promote usability engineering techniques. Cost-Justifying Usability is the first book to address pragmatically and in detail the question of how usability engineering professionals and their managers can cost-justify their proposals and efforts. The book offers specific techniques for quantifying costs and benefits, making a convincing and successful business case for investment in usability engineering. This book comprises a thorough and well-integrated collection of chapters written by experienced and prominent usability experts. Taken together, these chapters provide readers with: An overall framework for cost-justifying usability engineering programs that can be applied to any context An examination of the unique factors and issues in cost-justifying usability efforts for three very different types of organizations: vendor companies, international development organizations, and contractor companies Case studies of successful cost-justification efforts A look at some special issues regarding cost-justification of usability, including"discount"usability engineering techniques, success factors for introducing usability engineering into development organizations, specialized tools for usability cost-justification, and a look to the future of usability engineering Practical and effective insight for human factors professionals, interface designers, software development managers, and human factors educators

In this volume, the authors begin by defining usability, advocating and explaining the methods of usability engineering and reviewing many techniques for assessing and assuring usability throughout the development process. They then follow all the steps in planning and conducting a usability test, analyzing data, and using the results to improve both products and processes.This book is simply written and filled with examples from many types of products and tests. It discusses the full range of testing options from quick studies with a few subjects to more formal tests with carefully designed controls. The authors discuss the place of usability laboratories in testing as well as the skills needed to conduct a test.Included are forms to use or modify to conduct a usability test, as well as layouts of existing labs that will help the reader build his or her own.

Today's increasingly competitive and fiscally constrained business environment is fostering the need to cut costs and justify expenditures. Usability engineering is not yet universally accepted, nor is it yet an integrated aspect of software engineering, and would-be usability champions need more help than ever to win the funding necessary to introduce and promote usability engineering techniques. Cost-Justifying Usability is the first book to address pragmatically and in detail the question of how usability engineering professionals and their managers can cost-justify their proposals and efforts. The book offers specific techniques for quantifying costs and benefits, making a convincing and successful business case for investment in usability engineering. This book comprises a thorough and well-integrated collection of chapters written by experienced and prominent usability experts. Taken together, these chapters provide readers with: An overall framework for cost-justifying usability engineering programs that can be applied to any context An examination of the unique factors and issues in cost-justifying usability efforts for three very different types of organizations: vendor companies, international development organizations, and contractor companies Case studies of successful cost-justification efforts A look at some special issues regarding cost-justification of usability, including"discount"usability engineering techniques, success factors for introducing usability engineering into development organizations, specialized tools for usability cost-justification, and a look to the future of usability engineering Practical and effective insight for human factors professionals, interface designers, software development managers, and human factors educators

Be at the forefront of photographic innovation with the SIGMA fp Mirrorless Camera, a game-changer in the realm of imaging technology. As the world's most compact and lightweight full-frame mirrorless digital camera, the SIGMA fp is a marvel of engineering, boasting a 35mm full-frame Bayer sensor with an impressive 24.6 effective megapixels. This camera is designed to deliver unparalleled image quality without the bulk, making it an ideal companion for photographers and filmmakers who value portability without sacrificing performance.Crafted with meticulous attention to detail, the SIGMA fp's body is encased in durable die-cast aluminum alloy, ensuring both robustness and superior thermal conductivity. The camera's innovative heat sink structure and comprehensive sealing across 42 points provide a dust- and splash-proof design, allowing you to confidently shoot in a variety of challenging environments.The SIGMA fp's electronic shutter system is a testament to the camera's silent operation, enabling discreet shooting free from the distraction of noise. This feature is particularly advantageous in scenarios where silence is golden, such as during intimate ceremonies or wildlife photography. The absence of a mechanical shutter also means you can capture images at a rapid 18 frames per second without the worry of shutter shock or wear, ensuring consistent performance over time.For creators who demand artistic control, the SIGMA fp offers a suite of advanced picture and video functions. The camera introduces the "Teal and Orange" color mode, a nod to the cinematic color grading of Hollywood films, along with a tone curve adjustment function and in-camera "Fill Light" for nuanced image control. Quick access to tone control and color mode menus is facilitated by dedicated "TONE" and "COLOR" buttons, streamlining the creative process.The SIGMA fp is not just a camera; it's a versatile creative tool that transcends traditional genre boundaries. With its open system, the camera is compatible with a wide array of lenses and accessories from SIGMA, Leica, Panasonic, and other brands, thanks to the universal L-Mount standard. This interoperability ensures that the SIGMA fp can adapt to any shooting scenario, offering limitless possibilities for both still photography and cinematic productions.For filmmakers, the SIGMA fp is a formidable ally, supporting 12-bit CinemaDNG external recording for raw video data and 4K UHD/24fps recording for high-resolution footage suitable for professional filmmaking. The camera also accommodates ALL-I recording, which is optimal for editing H.264 compressed videos, and offers seamless data transmission via USB3.1 (GEN1) to external recording units.Transitioning between Still and Cine modes is effortless with the SIGMA fp. A simple switch allows you to move between modes, each with its own tailored operation system and display, enabling you to focus on capturing the moment without distraction.In summary, the SIGMA fp Mirrorless...

To err is human; to err in digital culture is design. In the glitches, inefficiencies, and errors that ergonomics and usability engineering strive to surmount, Peter Krapp identifies creative reservoirs of computer-mediated interaction. Throughout new media cultures, he traces a resistance to the heritage of motion studies, ergonomics, and efficiency; in doing so, he shows how creativity is stirred within the networks of digital culture. Noise Channels offers a fresh look at hypertext and tactical media, tunes into laptop music, and situates the emergent forms of computer gaming and machinima in media history. Krapp analyzes text, image, sound, virtual spaces, and gestures in noisy channels of computer-mediated communication that seek to embrace—rather than overcome—the limitations and misfires of computing. Equally at home with online literature, the visual tactics of hacktivism, the recuperation of glitches in sound art, electronica, and videogames, or machinima as an emerging media practice, he explores distinctions between noise and information, and how games pivot on errors at the human–computer interface. Grounding the digital humanities in the conditions of possibility of computing culture, Krapp puts forth his insight on the critical role of information in the creative process.