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 relative to the target; How far away the target is and how big the target is. It has been [...]
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 1906, recognised that 80% of Italy’s wealth was owned by 20% of Italy’s population.
The same 80/20 split can be [...]
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 ways to do it. Fine, call it what you like – at least it’s memorable! In a nutshell, there are [...]
Graphic design has 4 basic principles that appear to varying degrees in all well designed works; Contrast, Repetition, Alignment and Proximity. They are there to help guide you in making attractive designs, but I think they can (and should!) be applied when designing user interfaces. This post will show you how. Anyway, I like the [...]
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