27 of 365 - Convergence design principle by John LeMasney via lemasney.com
“Natural or human-made systems that best approximate optimal strategies afforded by the environment tend to be successful, while systems exhibiting lesser approximations tend to become extinct. This […]

27 of 365: Convergence design principle


26 of 365 - Control design principle by John LeMasney via lemasney.com
Good control design in a system allows for the ease of use for new users (beginners) or complex, customizable use by seasoned users (experts).  A […]

26 of 365: Control #design principle




24 of 365 - Contour bias design principle by John LeMasney via lemasney.com
Contour Bias is a well-studied theory that shows that humans prefer rounded objects and choices over angled ones. The more angled, the more that human brains […]

24 of 365: Contour Bias #design principle


23 of 365 - Constraint design principle by John LeMasney via lemasney.com
Constraint is built into systems to allow limits to negative actions a user might otherwise take in that system. In mechanical systems where too much […]

23 of 365: Constraint #design principle