§  Error Tolerance: Is the product is tolerant of error? (Example: The ‘Error’ message on a computer informs the person that a mistake was made.)

§  PerceptibleInformation:Istheinformationnecessarytousetheproductclearandobvious? (Example: Some smoke alarms do not display ways in which the alarm can be turned off.)

§  Simplicity and Intuitiveness: Is the product simple to use and easy to understand? (Example: Some mixing bowls have a gripper lip on one side and a pouring spout on the other. Someone not familiar with cooking can easily figure out how to use the product.)

§  Flexibility: Can the product be used in more than one way? (Example: The grips on some hammers allow the person to hold it close to the head or far away from the head.)

§  Equity: Can the product be used equally well by people with varying abilities? [Example: Some digital cameras would be very difficult for someone with arthritis to use because the active features (viewer, delete button, shooting button, etc.) are so small.]

§  Safety:Istheproductsafeforeveryonetouse?(Example:SomeX-actokniveshavevery slippery handles, and, as a result, a person’s hand can slip during use thus causing a great chance of getting cut.)

§  ComfortandBodyFit:Istheproductcomfortabletouse?Doesitconformtothebody? (Example: Some earbud inserts do not conform to the ear and, therefore, are quite uncomfortable with prolonged use.)

§  Cultural/Diversity Appropriateness: Does the product have any features that would stigmatize or be inappropriate for any cultural or diversity group? (Example: Most western toilets do not have a ‘wash’ function, and therefore would be considered ‘unclean’ in certain Asian cultures.)

§  Social Integration: Is the product socially acceptable? Does it in any way isolate the person using it? (Example: Some people feel awkward interacting with individuals who are in wheelchairs; therefore, the wheelchair might be considered as a product that can be socially isolating.)

§  Aesthetics: Is the product aesthetically pleasing? Does its appearance appeal to all segments of the population or niche groups? (Example: Grab bars in public restrooms can be useful to some people, but typically, they are not particularly pleasing to the eye to any segment of the population.)