Previously we reviewed many aspects of user interfaces from the perspective of the behavioral and social sciences. Do you remember the...

Gestalt Principles are principles/laws of human perception that describe how humans group similar elements, recognize patterns, and...

Navigation is the first point of interaction. This means that making your top line navigation labels stand out to attract users attention...

This article explores the differences and similarities between novice and expert users of interactive artifacts. Web usability has...

Glance means to look quickly at something/somebody; to read something quickly and not thoroughly. Glanceability is a term used for...

The term "metaphor" is traditionally associated with language use. When we want to convey an abstract concept in a more familiar and...

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

Whereas HTA is concerned with establishing an accurate description of the steps that are required in order to complete a task, the focus...

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

Whenever we try to learn a new skill, be it skiing, typing, cooking, we are bound to make mistakes. In most situations, it is not a bad...

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

With its roots in Psychology, experiments have always played an important role in Human-Computer Interaction (HCI). Designs benefit from...

The aim of this article is to introduce two cognitive frameworks: human information processing, which has formed the basis of much...