Difference between revisions of "Usability"

{{Term|USABILITY|The measure of how effectively, efficiently, and easily a person can navigate an interface and find information on it. The term usability also refers to methods for improving ease-of-use during the design process. Usability is defined by six quality components <ref> [http://www.useit.com www.useit.com],[http://www.motive.co.nz www.motive.co.nz], [http://en.wikipedia.org en.wikipedia.org] (23 July 2008); Instructor Competencies - Standards for Face-to-Face, Online, and Blended Settings, James D. Klein, M.Michael Spector, B. Grabowski, Ileana de la Teja, 2004</ref>:}}  

{{Term|USABILITY|The measure of how effectively, efficiently, and easily a person can navigate an interface and find information on it. The term usability also refers to methods for improving ease-of-use during the design process. Usability is defined by six quality components <ref> [http://www.useit.com www.useit.com],[http://www.motive.co.nz www.motive.co.nz], [http://en.wikipedia.org en.wikipedia.org] (23 July 2008); Instructor Competencies - Standards for Face-to-Face, Online, and Blended Settings, James D. Klein, M.Michael Spector, B. Grabowski, Ileana de la Teja, 2004</ref>:}}  

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! width= "100pt" | Qualities   

! width= "100pt" | Qualities   

! width= "950pt" | Content

! width= "950pt" | Content

| '''Utility'''  

| '''Utility'''  

| A key attribute of a design process is utility, which refers to the design's functionality. Usability and utility are equally important.

| A key attribute of a design process is utility, which refers to the design's functionality. Usability and utility are equally important.

|'''Learnability''' || An easy way for users to accomplish basic tasks the first time they encounter the design (a user-friendly Website).   

|'''Learnability''' || An easy way for users to accomplish basic tasks the first time they encounter the design (a user-friendly Website).   

|'''Efficiency''' ||Once users have learned the design, how quickly can they perform tasks.

|'''Efficiency''' ||Once users have learned the design, how quickly can they perform tasks.

|'''Memorability''' ||When users return to the design after a period of time, how easily can they reestablish proficiency.  

|'''Memorability''' ||When users return to the design after a period of time, how easily can they reestablish proficiency.  

|'''Errors''' ||How easily users can recover from the errors.

|'''Errors''' ||How easily users can recover from the errors.

|'''Satisfaction''' ||How pleasant is it to use the design process.

|'''Satisfaction''' ||How pleasant is it to use the design process.

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