The Ten Principles of Interaction Design

1. Equitable: Be welcoming.

2. Flexible: Provide options.

3. Straightforward: Be obvious and not ambiguous.

4. Perceptible: Don’t assume anything.

5. Informative: Be timely, predictable, uncomplicated and precise.

6. Preventative: Provide easy to follow instructions and gently guide users.

7. Tolerant: Handle errors respectfully.

8. Effortless: Don’t make demands or place restrictions on your users.

9. Accommodating: Be approachable, uncluttered and give people room to manoeuvre.

10. Consistent: Follow standards, guidelines, conventions and best practices.