Usability Issues When Integrating Systems
Sometimes it is necessary for us to integrate our software with another system in order to offer its features to our customers, in fact a new class of applications has emerged where separate systems...
View ArticleThe Importance of Conventions
Conventions are important. They emerge as the ‘way things are done’. As such, when we see a control on a device, we apply our previous knowledge of similar systems and make assumptions about what will...
View ArticleFive Hat Racks
The Five Hat Racks was first developed by Richard Saul Wurman in his book Information Anxiety. It’s a bizarre name, but makes sense: the hats are information…. hat racks organise hats…. and there are 5...
View ArticleAesthetic Usability Effect
The aesthetic usability effect is where a user will perceive an attractive product as easier to use than an ugly one. It doesn’t actually matter if they are easier to use or not they are perceived as...
View ArticleHow to write an alert box
Alert boxes are a user interface element that pops up to alert the user of some critical piece of information. This post explains how to write them. Lets start off by getting something out of the way....
View ArticleThe 80/20 Rule
The 80/20 rule, also known as Pareto’s Principle, states that 80% of an observable effect is caused by 20% of the variables at play. The first recognition of this rule was by Vilfredo Pareto, who in...
View ArticleFitts’ Law
Fitts’ Law is a mathematical model that predicts how long it will take to “point” at a target. It was first proposed by Paul Fitts in 1954. It takes into account where you are currently pointing...
View ArticleHow to Write a Good Empty State
What is the empty state? The Empty State is your software in its initial state before the user has entered any data or set anything up. It’s what your new users are exposed to the first time they use...
View ArticleCase Study: Empty State
Earlier this week I wrote about Empty State. I wanted to follow this up with a case study on how this might work on an example. Fotolio I’m going to base this example around an imaginary website. I’ve...
View ArticleCognitive Load
In a nutshell, Cognitive Load is the amount of “Brain Power” required to understand something. This could be perception, problem solving or juggling things in memory. There’s a well known rule that we...
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