G110 – Error messages should be simple and easy to follow.

Standard

Guideline:

Error messages should be simple and easy to follow.

Guideline Description:

In the presence of an error, the system should describe the occurrence explaining how to recover, without blaming the user by  this situation, once older adults are more prone to blame themselves for errors, because they  have low experience with technology. Their motor skills also influence the occurrence of errors. The language employed in the error messages should be understandable by older adults.

Avoid:

Unclear error messages.
Using of inappropriate language.

Example:

example g110

A good example of an error message.

Source:

Designing touch-based interfaces for the elderly,2010
Design Recommendations for TV User Interfaces for Older Adults: Findings from the eCAALYX Project,2012

Tags:

Elderly, Errors, Feedback, Motor, Navigation

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G87 – Make it easy for user to correct input errors.

Standard

Guideline:

Make it easy for user to correct input errors.

Guideline Description:

Input errors should be corrected easily. It is important that error message describes  the source of the error and explaining how to recover, using a language understandable by older users.

Example:

exemplo G87An example of an application with an easy correction of input errors.

Source:
Healthcare TV Based User Interfaces for Older Adults, 2010
Design Recommendations for TV User Interfaces for Older Adults: Findings from the eCAALYX Project,2012

Tags:

Elderly, Errors.

G86 – Design error messages that make it clear that the user is not the cause of the error.

Standard

Guideline:

Design error messages that make it clear that the user is not the cause of the error.

Guideline Description:

Older adults have low experience with technology, being usual the user adults blaming themselves by errors. For this reason, error messages should be clear that the user is not the cause of the error.

Example:

exemplo G86

An example of an error message which illustrates that user is not the cause of the error.

Source:

Healthcare TV Based User Interfaces for Older Adults, 2010

Tags:

Elderly, Errors.