G109 – Use medium or bold face type, e.g., Sans Serif type font,i.e., Helvetica, Arial. Avoid other fancy font types.

Standard

Guideline:

Use medium or bold face type e.g. sans serif type font i.e. Helvetica, Arial. Avoid other fancy font types.

Guideline Description:

Selecting an appropriate font type is crutial in a design of user interface for the older adults. Using sans serif fonts, such as, Arial Helvetica Century Gothic, facilitates the  reading of texts on the screen. The size of  font type should be large or preferably adjustable.

Recommended

Sans Serif:          Arial           Helvetica     Century Gothic

Size recommended for body text:  12pt or 14 pt

Avoid

Script Fonts and decorative fonts that are difficult to read.
Use of font types with serifs.

Example:

example g109Text examples using as font size, 12 and 14 points.

Source:

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


Tags:

Design, Elderly, Font Type, Layout, Reading,  Text,Vision.

Advertisements

G108 – Main body of the text should be in sentence case and not all capital letters.

Standard

Guideline:

Main body of the text should be in sentence case and not all capital letters.

Guideline Description:

Writing of text should use the sentence case and avoid the use of the uppercase. Meanwhile, the uppercase can be used to draw attention of some text parts, example: UPPERCASE DRAWS ATTENTION.

Avoid:

Uppercase should not be used for long text blocks.

Example:

example g108

Example of texts using uppercase and sentence case.

Source:

Designing touch-based interfaces for the elderly,2010
Design Principles to Accommodate Older Adults,2012

Tags:

Design, Elderly, Layout, Reading, Text, Vision.

G107 – The text should be double spacing between the lines.

Standard

Guideline:

The text  should be double spacing between the lines.

Guideline Description:

The ideal text spacing for older adults in body text is double-spaced; this format increases the readability and legibility.

Example:

example g107_

This example shows the use of double-spaced text.

Source:

Designing touch-based interfaces for the elderly,2010

Tags:

Design, Elderly, Layout, Legibility, Reading, Text, Vision.

G93 – Use a suitable text size

Standard

Guideline:

Use a suitable text size

Guideline Description:

Text size  in a  user interface should be large, being that the recommended size by National Institute of Aging at least 12 points. Using large text sizes helps users with vision impairments. In addition of large text size, other features such as left-aligned text, the use of a sans serif font type and short, clear and consistent language should be used in the text design.

Example:

Example G93An example of a text using as size 12 points, the minimum size recommended for older users.

Source:

Using the Android Tablet to Develop a Game Platform for Older Adults, 2011
Touch Screens for the Older User,2011

Tags:

Elderly, Layout, Text.

G62 – Avoid moving text and other animations.

Standard

Guideline:

Avoid moving text and other animations.

Guideline Description:

Moving text is difficult to reading by older adults, for this reason  all animations on text or other type of animations that may divert users attention should be avoid.

Example:

cs3animationAn example of moving text, that should be avoid.

Source:

Healthcare TV Based User Interfaces for Older Adults, 2010
Designing touch-based interfaces for the elderly,2010

Tags:

Animation, Design, Elderly, Layout, Text.

G61 – Use left-aligned text.

Standard

Guideline:

Use left-aligned text.

Guideline Description:

The text alignment should be left-aligned, due to the justified text does not maintain the optimized spacing between letters and words, and the older adults are accustomed to reading left-aligned text.

Avoid:

Text justified.

Example:

exemplo G61

An example of a left-aligned text and example of a justified text.

Source:

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

Tags:

Alignment , Design, Elderly, Layout, Reading, Text,Vision.

G60 – Allow the older adult to adjust the size of the font in the user interface.

Standard

Guideline:

Allow the older adult to adjust the size of the font in the user interface.

Guideline Description:

As different users have different visual capabilities. It is recommended that user interface has included a mechanism of adjustment for the font type according to the user preferences.

Example

examplo G60

An example of a mechanism of font type adjustment.

Source:

Healthcare TV Based User Interfaces for Older Adults, 2010
Design Principles to Accommodate Older Adults,2012

Tags:

Accessibility, Adaptability, Elderly, Font Type, Testing, Text.