Usability Usability PresentationPresentation

Emmy CharltonEmmy Charlton

April 9, 2002April 9, 2002

Contents Everyday user problems: slide 3 Everyday user problems: slide 3

and 4and 4 http://www.userdesign.co.uk/index.http://www.userdesign.co.uk/index.

htmlhtml Usability and DisabilitiesUsability and Disabilities

http://www.useit.com/alerbox/2001http://www.useit.com/alerbox/20011111.html1111.html

Usability Jobs and CoursesUsability Jobs and Courses http://www.dice.comhttp://www.dice.com

Jakob NielsonJakob Nielson http://www.useit.comhttp://www.useit.com

Phone Display Loses Number

When dialing, the first When dialing, the first line displays the number.line displays the number.

After about 7 seconds, After about 7 seconds, the number is replaced the number is replaced by the clock.by the clock.

Programmers use both Programmers use both lines so 17 digits can be lines so 17 digits can be displayed. Now both displayed. Now both lines can remain active lines can remain active for any number and for any number and show time on second line show time on second line and replace numbers as and replace numbers as the call continues.the call continues.

Most Recently Opened Most Recently Opened FilesFiles

Under the File Menu towards the bottom, there is a list of the four documents you worked on last. This is great usability to file handling except when working on a couple big assignments but opening many for reference etc.

New idea of files tracked and time logged so most used remain for access. remain for access.

People with DisabilityPeople with Disability

From Jakob Nielson’s Alertbox. 11-11-2001

Disabled individuals have the right to internet etc. access too

For blind or low vision there are screen readers and screen magnifiers

So how easy is it for disabled individuals

Study was done to see about design usability of 19 websites using three groups:

– 84 users who were either blind or had low vision

– 20 users as control group with no disabilities.

Disabilities ContinuedDisabilities Continued

The three groups had four tasks that were measured:

– *Buy an item @ target.com

– *Information retrieval @ transitchicago.com

– *Compare and contrast @ schwab.com

– *Fact-finding @ any website

Blind Low vision Control

Success 12.5% 21.4% 78.2%

Rate

Time on 16:46 15:26 7:14

Task

Errors 2.0 4.5 0.6

Subjective 2.5 2.9 4.6Reading(Scale 1-7)

Usability Jobs

Just to list a few:

– Interaction Designer– Usability, Human

Factors– Usability Analyst– Web Master/Developer– Technical Writer– Java Programmer– Applications Support

Specialist– Usability

Assistant/SpecialistMost jobs from $40K-$100K

Courses Available

Introduction to User Interface Design

Website Design: Practical Techniques for Usability

Rapid Prototyping Techniques

Groupware

Usability Evaluation

Digital Design: Design for Interactive Media

Digital Typography

Jakob Nielson

Considered to be the expert on web and computer usability

Website: www.useit.com

He has set the rules for usability

He checks numerous websites and gives reports on certain ones whether good or bad

His favorite website is Amazon.com