Human Computer Interaction

  

Human Computer Interaction – Theory & Principals   

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What is meant by human computer interaction?

Definition. Human Computer Interaction (HCI) is the study of the way in which computer technology influences human work and activities.

The Meteoric Rise of HCI

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:

“…it no longer makes sense to regard HCI as a specialty of computer science; HCI has grown to be broader, larger and much more diverse than computer science itself. HCI expanded from its initial focus on individual and generic user behavior to include social and organizational computing, accessibility for the elderly, the cognitively and physically impaired, and for all people, and for the widest possible spectrum of human experiences and activities. It expanded from desktop office applications to include games, learning and education, commerce, health and medical applications, emergency planning and response, and systems to support collaboration and community. It expanded from early graphical user interfaces to include myriad interaction techniques and devices, multi-modal interactions, tool support for model-based user interface specification, and a host of emerging ubiquitous, handheld and context-aware interactions.”

— John M. Carroll, author and a founder of the field of human-computer interaction.

Overview of Human Computer Interection

Below is the story of how HCI transformed from a specialty area to a multifaceted community of tech professionals. The field has come a long way since the 1980s — evolving from a single focus on scientific testing to the complex role of explaining and generating new designs. Today we look to HCI for self-expression and seeking solutions to society’s most wicked problems. 

Conclusion

We see ideas from each era influencing our work as designers today — these ideas co-exist, providing us with a rich body of knowledge to draw upon. It will be fascinating to see how HCI continues to evolve, and to see how design evolves alongside it.