Jill Butler

The founder and president of Stuff Creators Design Studio, Texas.

Jill Butler

The founder and president of Stuff Creators Design Studio, Texas.

  • Design & Arts
Design Principles – Constrains simplify usability and minimize errors

Use constraints to improve the clarity, usability and intuitiveness of your design

Constrains, as methods of limiting the actions that can be performed on a system, simplify usability and minimize errors. For example, dimming or hiding options that are not available at a particular time effectively constrains the options that can be selected.

Proper application of constraints in this fashion makes designs easier to use and dramatically reduces the probability of error during interaction. Simply put; constrains simplify usability and minimize errors!

Source: Universal Principles of Design (Book) by William Lidwell Kritina Holden

  • Design Principles
  • UX Design
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  • Design & Arts
The level of control and the experience level of the people using the system

The level of control provided by a system should be related to the proficiency and experience levels of the people using the system

Since accommodating multiple methods increases the complexity of the system, the number of methods for any given task should be limited to two—one for beginners, and one for experts.

Source: Universal Principles of Design (Book) by William Lidwell Kritina Holden

  • Design Principles
  • UI Design
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  • Design & Arts
The cost-benefit principle in UX Design

The quality of every design aspect can be measured using the cost-benefit principle

If the costs associated with interacting with a design outweigh the benefits, the design is poor. If the benefits outweigh the costs, the design is good.

For example: How long is too long for a person to wait for a web-page to load? The answer to this question is that it depends on the benefit of the interaction.

Source: Universal Principles of Design (Book) by William Lidwell Kritina Holden

  • Design Principles
  • UX Design
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