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Jacob Johnson
Jacob Johnson

Human-Computer Interaction ##HOT##

Human-computer interaction (HCI) is a multidisciplinary field of study focusing on the design of computer technology and, in particular, the interaction between humans (the users) and computers. While initially concerned with computers, HCI has since expanded to cover almost all forms of information technology design.

Human-Computer Interaction

HCI surfaced in the 1980s with the advent of personal computing, just as machines such as the Apple Macintosh, IBM PC 5150 and Commodore 64 started turning up in homes and offices in society-changing numbers. For the first time, sophisticated electronic systems were available to general consumers for uses such as word processors, games units and accounting aids. Consequently, as computers were no longer room-sized, expensive tools exclusively built for experts in specialized environments, the need to create human-computer interaction that was also easy and efficient for less experienced users became increasingly vital. From its origins, HCI would expand to incorporate multiple disciplines, such as computer science, cognitive science and human-factors engineering.

HCI soon became the subject of intense academic investigation. Those who studied and worked in HCI saw it as a crucial instrument to popularize the idea that the interaction between a computer and the user should resemble a human-to-human, open-ended dialogue. Initially, HCI researchers focused on improving the usability of desktop computers (i.e., practitioners concentrated on how easy computers are to learn and use). However, with the rise of technologies such as the Internet and the smartphone, computer use would increasingly move away from the desktop to embrace the mobile world. Also, HCI has steadily encompassed more fields:

Learn the tools of HCI with our course on HCI, taught by Professor Alan Dix, author of one of the most well-known textbooks on HCI. You can find it here:

A graduate degree in HCI prepares students for many different kinds of careers in user experience (UX). Graduates have job titles including interaction designer, information architect, user experience designer, usability specialist, and user researcher.

Our program provides students with the practical skills and theoretical understandings they need to become leaders in the design, implementation, and evaluation of the next generation of human-computer interfaces.

HCIM graduates go on to careers in UX/UI and interaction design, usability analysis, user research, visual design, product design, technology development, technology project management, technology evaluation, and more.

The Master of Human-Computer Interaction (MHCI) program at Carnegie Mellon University is the first program in the world dedicated to preparing professionals for careers related to human-computer interaction, user experience design and user-centered research.

Poorly designed human-machine interfaces can lead to many unexpected problems. A classic example is the Three Mile Island accident, a nuclear meltdown accident, where investigations concluded that the design of the human-machine interface was at least partly responsible for the disaster.[7][8][9] Similarly, accidents in aviation have resulted from manufacturers' decisions to use non-standard flight instruments or throttle quadrant layouts: even though the new designs were proposed to be superior in basic human-machine interaction, pilots had already ingrained the "standard" layout. Thus, the conceptually good idea had unintended results.

Researchers in HCI are interested in developing design methodologies, experimenting with devices, prototyping software and hardware systems, exploring interaction paradigms, and developing models and theories of interaction.

8.Minimizing information access cost or interaction cost. When the user's attention is diverted from one location to another to access necessary information, there is an associated cost in time or effort. A display design should minimize this cost by allowing frequently accessed sources to be located at the nearest possible position. However, adequate legibility should not be sacrificed to reduce this cost.

Social computing is an interactive and collaborative behavior considered between technology and people. In recent years, there has been an explosion of social science research focusing on interactions as the unit of analysis, as there are a lot of social computing technologies that include blogs, emails, social networking, quick messaging, and various others. Much of this research draws from psychology, social psychology, and sociology. For example, one study found out that people expected a computer with a man's name to cost more than a machine with a woman's name.[21] Other research finds that individuals perceive their interactions with computers more negatively than humans, despite behaving the same way towards these machines.[22]

In human and computer interactions, a semantic gap usually exists between human and computer's understandings towards mutual behaviors. Ontology, as a formal representation of domain-specific knowledge, can be used to address this problem by solving the semantic ambiguities between the two parties.[23]

Security interactions are the study of interaction between humans and computers specifically as it pertains to information security. Its aim, in plain terms, is to improve the usability of security features in end user applications.

Human Computer Interface (HCI) was previously known as the man-machine studies or man-machine interaction. It deals with the design, execution and assessment of computer systems and related phenomenon that are for human use.

Some more important HCI design guidelines are presented in this section. General interaction, information display, and data entry are three categories of HCI design guidelines that are explained below.

For the past couple of years, majority IT companies in India are hiring designers for HCI related activities. Even multi-national companies started hiring for HCI from India as Indian designers have proven their capabilities in architectural, visual and interaction designs. Thus, Indian HCI designers are not only making a mark in the country, but also abroad.

Several interactive devices are used for the human computer interaction. Some of them are known tools and some are recently developed or are a concept to be developed in the future. In this chapter, we will discuss on some new and old interactive devices.

Task analysis is the procedure to learn the users and abstract frameworks, the patterns used in workflows, and the chronological implementation of interaction with the GUI. It analyzes the ways in which the user partitions the tasks and sequence them.

Information visualization is the interactive visual illustrations of conceptual data that strengthen human understanding. It has emerged from the research in human-computer interaction and is applied as a critical component in varied fields. It allows users to see, discover, and understand huge amounts of information at once.

The point where the software entities interact with each other either in a single computer or in a network is known as pubic interface. This help in data security. Other objects can change the state of an object in an interaction by using only those methods that are exposed to the outer world through a public interface.

CMSI 3700 Interaction Design4 semester hours Introduction to interaction design and human-computer interaction with a primary focus on user-centered design techniques. Three broad categories of topics within human-computer interaction are covered: (a) concepts in human factors, usability, and interface design, and the effects of human capabilities and limitations on interaction with computer systems; (b) design, development, and evaluation of user interfaces for computer systems and learning how to use existing frameworks to implement interaction architectures; and (c) current areas of cutting-edge research and development in human-computer interaction.

The minor in Human Computer Interaction provides a course of study for students who would like to improve the integration of computing in the lives of individuals and to use computing to enable collaboration within groups. The minor combines courses in human computer interaction, ubiquitous computing, graphical interface design, and social computing.

Human-Computer Interaction (HCI) is the discipline concerned with the design, evaluation, and implementation of interactive computing systems for human use and the study of the major phenomena surrounding them. As a field of research, human-computer interaction is situated at the intersection of computer science, behavioral sciences, design, media studies, and several other fields of study.

The Masters programs integrate service and design thinking into a rigorous, cross-disciplinary human-computer interaction curriculum that prepares our students to design and guide the future of human and technology interactions. In the HCI programs, students learn to design, evaluate, and implement new information technologies that are understandable, usable, and appealing to a wide variety of people. Our program provides students with the practical skills and theoretical understandings they need to develop successful careers related to human computer interaction, user experience design and user-centered research.

There is no commonly agreed definition of interaction design; most people in the field, however, would probably subscribe to a general orientation towards shaping software, websites, video games and other digital artifacts, with particular attention to the qualities of the experiences they provide to users.

The scope of interaction design opens up possibilities for genuinely better user experiences of information technology. HCI has contributed a great deal to the elimination of obvious problems for the users, but its focus on goals, tasks and usability makes it rather limited in terms of positive innovation. My concern is that the book misrepresents the field of interaction design and hence limits its potential. 041b061a72


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