Interest in knowledge and mental models from an HCI perspective is based on the idea that, by discovering what users know about systems...

You need a clear question to answer or a hypothesis to get before doing any evaluation. You also need to plan your study carefully, but...

Conceptual models is the generic term that describes the various ways in which systems are understood by different people. Primarily...

The human brain is limited in its capacity. The aim of this article is to explain why this is so in terms of attention and memory...

With today's article, I would like to talk about experiment design. With its roots in Psychology, experiments have always played an...

Perception is fundamental to interact with computers. If you want to design computer systems, then it is important to understand how...

HCI is a multidisciplinary field of study focusing on the interaction between humans and computers. While initially concerned with...

There is much confusion around the terms survey and questionnaire. They are often used interchangeably probably because people think...

For most people, an ordinary day is filled with social interaction. We converse with our family, friends, we talk with our co-workers,...

Without doing some form of evaluation is impossible to know whether or not the design or system fulfills the needs of the users and how...