Human–computer interaction (HCI) is an area of research that focuses on the human-user experience in interacting with a computerized device. The purpose of HCI research is to design and implement effective and seamless computer interfaces from which users can store, retrieve, and manipulate information. In other words, the goal of an HCI researcher is to improve “usability.” As will be discussed later in this entry, the notion of usability can extend beyond simple functional use to incorporate social uses and gratifications as well. The following entry provides a brief historical overview of HCI research, the three primary domains of such research, and a highlight of influential HCI theory. This is followed by a discussion of research questions and methodologies that guide continued study ...
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