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Quantifying the User Experience: Practical Statistics for User Research, Second Edition, provides practitioners and researchers with the information they need to confidently quantify, qualify, and justify their data. The book presents a practical guide on how to use statistics to solve common quantitative problems that arise in user research. It addresses questions users face every day, including, Is the current product more usable than our competition? Can we be sure at least 70% of users can complete the task on their first attempt? How long will it take users to purchase products on the website? This book provides a foundation for statistical theories and the best practices needed to apply them. The authors draw on decades of statistical literature from human factors, industrial engineering, and psychology, as well as their own published research, providing both concrete solutions (Excel formulas and links to their own web-calculators), along with an engaging discussion on the statistical reasons why tests work and how to effectively communicate results. Throughout this new edition, users will find updates on standardized usability questionnaires, a new chapter on general linear modeling (correlation, regression, and analysis of variance), with updated examples and case studies throughout. Completely updated to provide practical guidance on solving usability testing problems with statistics for any project, including those using Six Sigma practices Includes new and revised information on standardized usability questionnaires Includes a completely new chapter introducing correlation, regression, and analysis of variance Shows practitioners which test to use, why they work, and best practices for application, along with easy-to-use Excel formulas and web-calculators for analyzing data Recommends ways for researchers and practitioners to communicate results to stakeholders in plain English

User interfaces (Computer systems) --- Testing --- Statistical methods. --- Interfaces, User (Computer systems) --- Human-machine systems --- Human-computer interaction --- Interfícies gràfiques d'usuari (Informàtica) --- Interfícies gràfiques d'usuari (Sistemes d'ordinadors) --- GUI --- Interfícies d'usuari (Sistemes d'ordinadors)

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Human body and technology --- Biomechanics --- Ubiquitous computing. --- Biomechanics. --- Human body and technology. --- Pervasive computing --- UbiComp (Computer science) --- Electronic data processing --- Embedded computer systems --- Technology and the human body --- Technology --- Biological mechanics --- Mechanical properties of biological structures --- Biophysics --- Mechanics --- Contractility (Biology) --- Distributed processing --- Technology - General --- Enginyeria biomèdica --- Mecànica humana --- Biònica --- Interfícies d'usuari (Sistemes d'ordinadors)

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This book is about the ways in which experiments can be employed in the context of research on learning technologies and child–computer interaction (CCI). It is directed at researchers, supporting them to employ experimental studies while increasing their quality and rigor. The book provides a complete and comprehensive description on how to design, implement, and report experiments, with a focus on and examples from CCI and learning technology research. The topics covered include an introduction to CCI and learning technologies as interdisciplinary fields of research, how to design educational interfaces and visualizations that support experimental studies, the advantages and disadvantages of a variety of experiments, methodological decisions in designing and conducting experiments (e.g. devising hypotheses and selecting measures), and the reporting of results. As well, a brief introduction on how contemporary advances in data science, artificial intelligence, and sensor data have impacted learning technology and CCI research is presented. The book details three important issues that a learning technology and CCI researcher needs to be aware of: the importance of the context, ethical considerations, and working with children. The motivation behind and emphasis of this book is helping prospective CCI and learning technology researchers (a) to evaluate the circumstances that favor (or do not favor) the use of experiments, (b) to make the necessary methodological decisions about the type and features of the experiment, (c) to design the necessary “artifacts” (e.g., prototype systems, interfaces, materials, and procedures), (d) to operationalize and conduct experimental procedures to minimize potential bias, and (e) to report the results of their studies for successful dissemination in top-tier venues (such as journals and conferences). This book is an open access publication.

Educational technology. --- User interfaces (Computer systems). --- Human-computer interaction. --- Digital Education and Educational Technology. --- User Interfaces and Human Computer Interaction. --- Computer-human interaction --- Human factors in computing systems --- Interaction, Human-computer --- Human engineering --- User-centered system design --- User interfaces (Computer systems) --- Interfaces, User (Computer systems) --- Human-machine systems --- Human-computer interaction --- Instructional technology --- Technology in education --- Technology --- Educational innovations --- Instructional systems --- Teaching --- Aids and devices --- Experimental studies --- Child-Computer Interaction --- Learning Technology --- User studies --- Methodological decisions --- CCI --- HCI --- Tecnologia educativa --- Interfícies d'usuari (Sistemes d'ordinadors) --- Interacció persona-ordinador

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This book offers a timely report on an emerging topic in the field of wearable assistive technology: the design and development of robotic extra fingers. After a concise review of the state of the art and a description of earlier prototypes, it discusses the authors’ efforts to address issues such as portability and wearability of the devices, including strategies to reduce fatigue and to integrate the motion of the extra fingers with that of the human hand. The book also explores optimized control algorithms and the design of wearable sensorimotor interfaces, and presents a set of tests carried out on healthy subjects and chronic stroke patients. Merging concepts from robotics, biomechanics, human factors and control theory and offering an overview of supernumerary robotic fingers, including the challenges, this book will inspire researchers involved in the development of wearable robotic devices and interfaces based on the principles of wearability, safety, ergonomics and user comfort. .

Biomedical engineering. --- Robotics. --- Automation. --- User interfaces (Computer systems). --- Biomedical Engineering and Bioengineering. --- Robotics and Automation. --- User Interfaces and Human Computer Interaction. --- Interfaces, User (Computer systems) --- Human-machine systems --- Human-computer interaction --- Automatic factories --- Automatic production --- Computer control --- Engineering cybernetics --- Factories --- Industrial engineering --- Mechanization --- Assembly-line methods --- Automatic control --- Automatic machinery --- CAD/CAM systems --- Robotics --- Automation --- Machine theory --- Clinical engineering --- Medical engineering --- Bioengineering --- Biophysics --- Engineering --- Medicine --- Robot hands. --- Hands, Robot --- Robots --- Enginyeria biomèdica --- Interfícies d'usuari (Sistemes d'ordinadors) --- Robòtica en medicina --- Robòtica mèdica --- Robòtica --- Interfícies d'usuari (Informàtica) --- Sistemes persona-màquina --- Interfícies gràfiques d'usuari (Informàtica) --- Interacció persona-ordinador --- Enginyeria clínica --- Enginyeria mèdica --- Bioenginyeria --- Biofísica --- Enginyeria --- Medicina --- Electrònica mèdica --- Enginyeria de teixits --- Materials biomèdics --- Aparells i instruments mèdics

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Human-robot interaction --- Human engineering --- Computer security --- HRI (Human-robot interaction) --- Robot-human interaction --- Interacció persona-ordinador --- Robòtica --- Seguretat informàtica --- Ergonomia --- Enginyeria humana --- Factors humans en enginyeria --- Biotecnologia --- Enginyeria industrial --- Psicologia aplicada --- Condicions de treball --- Factors humans en l'arquitectura --- Sistemes persona-màquina --- Benestar --- Informàtica (Seguretat) --- Mesures de seguretat (Informàtica) --- Seguretat (Informàtica) --- Seguretat dels sistemes informàtics --- Sistemes de seguretat --- Protecció de dades --- Control d'accés als ordinadors --- Seguretat de les xarxes d'ordinadors --- Xifratge (Informàtica) --- Pirates informàtics --- Enginyeria robòtica --- Cibernètica --- Autòmats --- Robòtica en medicina --- Robots --- Robots industrials --- Automatització --- Teoria de màquines --- Comunicació home-ordinador --- Comunicació persona-màquina --- Comunicació persona-ordinador --- IPO --- Interacció home-ordinador --- Interacció persona-màquina --- Relacions home-ordinador --- Relacions persona-màquina --- Relacions persona-ordinador --- Interfícies d'usuari (Sistemes d'ordinadors) --- Usabilitat (Disseny de sistemes)