Iteration

Methods, Principles, Resources & More.

The act of measuring certain sensitive variables in a system can alter them, and confound the accuracy of the measurement. This principle is based on Heisenberg’s uncertainty principle in physics. Heisenberg’s uncertainty principle states that b...

GOMS is a model of human performance and it can be used to improve human-computer interaction efficiency by eliminating useless or unnecessary interactions. GOMS is an abbreviation from: G → Goals O → Operators M → Methods S → Selection ...

The use of a weak element that will fail in order to protect other elements in the system from damage. a chain is only as strong as its weakest link This suggests that the weakest link in a chain is also the least valuable and most expendable lin...

Elements that move in the same direction are perceived to be more related than elements that move in different directions or are stationary. Perceptual organization of movement. In perception: Gestalt principles. One Gestalt principle, that of commo...

The placement of elements such that edges line up along common rows or columns, or their bodies along a common center. Alignment The whole point of the alignment principle is that nothing in your slide design should look as if it were pla...

A property in which the physical characteristics of an object or environment influence its function. The term affordance was created by psychologist James J. Gibson, his best-known definition is taken from his seminal 1979 book, The Ecological Appro...

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