User friendliness

User-friendly is a term often used to describe software and other technologies. Its definition is subjective, depending on the user. Useful alternative terms are usability and accessibility, both from the field of human-computer interaction.

Certain parameters can be used to judge it include


 * adequacy: Only necessary input should be required.
 * learnability: Manuals and instructions should be clear.
 * robustness: Impact of error should be inversely proportional to probability of error.

See also : newbie