Human–computer interaction (HCI) is the area of intersection between psychology and the
social sciences, on the one hand, and computer science and technology, on the other. HCI
researchers analyse and design-specific user-interface technologies (eg three-dimensional
pointing devices, interactive video). They study and improve the processes of technology
development (eg usability evaluation, design rationale). They develop and evaluate new
applications of technology (eg computer conferencing, software design environments) …