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Cardiac-eu.org

Checklist for Touchscreens

No significant benefits No significant benefits
Minor benefits Minor benefits
Major benefits Major benefits
User Groups
Visual
Hearing
Physical
Cognitive
Ageing
           
Menu systems should be helpful and logical
Major benefits visual
Major benefits hearing
Major benefits physical
Major benefits cognitive
Major benefits ageing
General layout of the phone, functions and interaction principles should be standardised for all devices
Major benefits visual
Major benefits hearing
Major benefits physical
Major benefits cognitive
Major benefits ageing
           

Screens

         
Good contrast with the background should be provided for text and graphics
Major benefits visual
No significant benefits hearing
No significant benefits physical
Minor benefits cognitive
Major benefits ageing
There is provision for adequate, adjustable illumination of the LCD display whenever possible
Major benefits visual
No significant benefits hearing
Minor benefits physical
Minor benefits cognitive
Minor benefits ageing
Use back illumination of LCD screens whenever possible (a simple regulation of contrast or brightness is not sufficient)
Major benefits visual
No significant benefits hearing
Minor benefits physical
No significant benefits cognitive
Minor benefits ageing
Anti-glare provision to avoid reflections whenever possible
Major benefits visual
Major benefits hearing
Major benefits physical
Major benefits cognitive
Major benefits ageing
It is possible to tilt the display
Major benefits visual
No significant benefits hearing
Minor benefits physical
No significant benefits cognitive
Minor benefits ageing
Combinations of blue, green and violet should be avoided
Major benefits visual
No significant benefits hearing
No significant benefits physical
No significant benefits cognitive
Major benefits ageing
Colour alone should not carry information
Major benefits visual
No significant benefits hearing
No significant benefits physical
Minor benefits cognitive
Minor benefits ageing
A line by line presentation is often preferable to a single line of scrolling text
Major benefits visual
No significant benefits hearing
Minor benefits physical
Major benefits cognitive
Minor benefits ageing
           
Touchscreens          
The touch screen is shielded from sunlight
Major benefits visual
Major benefits hearing
Major benefits physical
Major benefits cognitive
Major benefits ageing
The screen is angled towards the horizontal to provide arm/wrist support
Major benefits visual
Major benefits hearing
Major benefits physical
Major benefits cognitive
Major benefits ageing
The screen is perpendicular to the line of sight
Major benefits visual
No significant benefits hearing
Major benefits physical
No significant benefits cognitive
Minor benefits ageing
The text and background colour combination is of high contrast
Major benefits visual
No significant benefits hearing
No significant benefits physical
Minor benefits cognitive
Major benefits ageing
Use of blue, green and violet is kept to a minimum
Major benefits visual
No significant benefits hearing
No significant benefits physical
No significant benefits cognitive
Major benefits ageing
There is no noticeable flicker on the screen
Major benefits visual
No significant benefits hearing
No significant benefits physical
Minor benefits cognitive
Major benefits ageing
The structure of the visual display allows the user to predict where to find information and how to use it
Major benefits visual
No significant benefits hearing
No significant benefits physical
Major benefits cognitive
Major benefits ageing
           
Fonts          
Kerning between specific characters is sufficient so as to ensure legibility
Major benefits visual
No significant benefits hearing
No significant benefits physical
Minor benefits cognitive
Minor benefits ageing
A minimum type size of 12 point is used
Major benefits visual
No significant benefits hearing
No significant benefits physical
Minor benefits cognitive
Minor benefits ageing
There is clear letter spacing between each character
Major benefits visual
No significant benefits hearing
No significant benefits physical
Minor benefits cognitive
Minor benefits ageing
The use of italic fonts is avoided as they are more difficult and slower to read
Major benefits visual
No significant benefits hearing
No significant benefits physical
Minor benefits cognitive
Minor benefits ageing
Avoid patterned backgrounds for fonts
Major benefits visual
No significant benefits hearing
No significant benefits physical
Minor benefits cognitive
Minor benefits ageing
Ensure the font has both upper and lower case letters as it is easier to read text in mixed case
Major benefits visual
No significant benefits hearing
No significant benefits physical
Minor benefits cognitive
Minor benefits ageing
There is a system for enlarging text on the screen
Major benefits visual
No significant benefits hearing
No significant benefits physical
Minor benefits cognitive
Minor benefits ageing
Information should be presented in small amounts which can be easily retained
Major benefits visual
No significant benefits hearing
No significant benefits physical
Major benefits cognitive
Minor benefits ageing
           
Keys          
There is good visual contrast between the keys and body of the phone
Major benefits visual
No significant benefits hearing
No significant benefits physical
No significant benefits cognitive
Minor benefits ageing
Key tops are convex, or flat with a raised edge
Minor benefits visual
No significant benefits hearing
Major benefits physical
No significant benefits cognitive
Minor benefits ageing
Keys are as large a size as possible
Major benefits visual
No significant benefits hearing
Major benefits physical
No significant benefits cognitive
Minor benefits ageing
Keys are internally illuminated
Major benefits visual
No significant benefits hearing
No significant benefits physical
No significant benefits cognitive
Minor benefits ageing
Visual markings on the keys are clear and as large as possible
Major benefits visual
No significant benefits hearing
No significant benefits physical
No significant benefits cognitive
Minor benefits ageing
Keys are raised 5mm above the body of the phone
Major benefits visual
No significant benefits hearing
Minor benefits physical
No significant benefits cognitive
Minor benefits ageing
There is auditory feedback of key activation
Major benefits visual
No significant benefits hearing
No significant benefits physical
Minor benefits cognitive
Minor benefits ageing
There is tactile feedback of key activation
Major benefits visual
Major benefits hearing
Minor benefits physical
Minor benefits cognitive
Minor benefits ageing
The "5" key and the "F" and "J" keys on a QWERTY keyboard are marked tactually
Major benefits visual
No significant benefits hearing
No significant benefits physical
No significant benefits cognitive
Minor benefits ageing
There is a voice mode selction that announces all key presses
Major benefits visual
No significant benefits hearing
No significant benefits physical
Minor benefits cognitive
Minor benefits ageing
           
Audio output          
There is an option to switch off verbal feedback when/if not required
Major benefits visual
No significant benefits hearing
No significant benefits physical
Minor benefits cognitive
Minor benefits ageing
There is an option to switch off non-speech sounds, if used
Major benefits visual
No significant benefits hearing
No significant benefits physical
Minor benefits cognitive
Minor benefits ageing
Voice warnings should be presented in a voice that is different from other voices that will be heard in the task situation
Major benefits visual
No significant benefits hearing
No significant benefits physical
Minor benefits cognitive
Minor benefits ageing
Maximise the intelligibility of the messages
Major benefits visual
No significant benefits hearing
No significant benefits physical
Minor benefits cognitive
Minor benefits ageing
Make the voice as natural as possible so people are more likely to accept it
Major benefits visual
No significant benefits hearing
No significant benefits physical
Minor benefits cognitive
Minor benefits ageing
If the message is missed, it is beneficial for people to be able to replay it
Major benefits visual
No significant benefits hearing
No significant benefits physical
Minor benefits cognitive
Minor benefits ageing
If the message is familiar, the ability to interrupt the message would be beneficial for experienced users
Major benefits visual
No significant benefits hearing
No significant benefits physical
Minor benefits cognitive
Minor benefits ageing
Where the choice of messages is relatively limited, human voices are preferred because synthetic speech is less intelligible and less preferred
Major benefits visual
No significant benefits hearing
No significant benefits physical
Minor benefits cognitive
Minor benefits ageing
Use non-speech audio messages only for the purposes of alerting
Major benefits visual
No significant benefits hearing
No significant benefits physical
Minor benefits cognitive
Minor benefits ageing