Norman’s Seven Principles

Get introduced to Norman's seven principles of interaction design.

Norman has summarized user-centered design in his book “The Design of Everyday Things” using seven principles which are as follows:

Visibility

Reduce the gulfs of execution and evaluation by making things visible to the user. The more visible an object or option is, the easier it is for a user to learn about it.

A good example of visibility can be seen in the trade-off between the hamburger menu and tab bar. We can store various options like settings, help, terms, and conditions in the hamburger menu, but this contradicts the principle of visibility. On the other hand, the tab-bar can help in improving the visibility of features, but it can only have a few limited features.

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