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APRIL 3, 2010




          USABILITY
PROJECT




          AN INTRODUCTION - BY CHRIS BURKE
DATE                       CLIENT
          APRIL 3, 2010              BARCAMP ORLANDO 2010
Usability:
REFERS TO HOW WELL WE AS USERS CAN LEARN AND USE
A PRODUCT, IN ORDER TO ACHIEVE A PARTICULAR GOAL,
AND HOW SATISFIED WE ARE WITH THE PROCESS.
INCORPORATING USABILITY	
TO MEASURE AND IMPROVE THE OVERALL “USER EXPERIENCE”
INCORPORATING USABILITY	
TO MEASURE AND IMPROVE THE OVERALL “USER EXPERIENCE”
Usability
                                 What to consider




USABILITY
AN INTRODUCTION BY CHRIS BURKE
Who is Jakob Nielsen?




USABILITY
AN INTRODUCTION BY CHRIS BURKE
Who is Jakob Nielsen?
      ‣   A leading usability consultant

      ‣   www.useit.com

      ‣   Founder of the
          5 Principles of Usability




USABILITY
AN INTRODUCTION BY CHRIS BURKE
Who is Jakob Nielsen?
      ‣   A leading usability consultant

      ‣   www.useit.com

      ‣   Founder of the
          5 Principles of Usability




USABILITY
AN INTRODUCTION BY CHRIS BURKE
5 Principles of Usability: by Jakob Nielsen




USABILITY
AN INTRODUCTION BY CHRIS BURKE
5 Principles of Usability: by Jakob Nielsen

            1. Learnability

            2. Efficiency

            3. Memorability

            4. Errors

            5. Satisfaction



USABILITY
AN INTRODUCTION BY CHRIS BURKE
Learnability:




USABILITY
AN INTRODUCTION BY CHRIS BURKE
Learnability:
         how easy it for users to learn an interface
         in order to accomplish basic tasks




USABILITY
AN INTRODUCTION BY CHRIS BURKE
USABILITY
AN INTRODUCTION BY CHRIS BURKE   An intuitive layout makes it easy to learn what is available
USABILITY
AN INTRODUCTION BY CHRIS BURKE   An intuitive layout provides meaning when we can’t read it!
USABILITY
AN INTRODUCTION BY CHRIS BURKE   An intuitive layout makes the designs intent obvious
Efficiency:
         how quickly can users perform tasks
         after learning the design




USABILITY
AN INTRODUCTION BY CHRIS BURKE
USABILITY
AN INTRODUCTION BY CHRIS BURKE   Chunking timely tasks into smaller parts improves user efficiency
USABILITY
AN INTRODUCTION BY CHRIS BURKE   Visual clutter makes the simple task of “locating a store” difficult
USABILITY
AN INTRODUCTION BY CHRIS BURKE   Reduce visual clutter to highlight the applications “main intent”
USABILITY
AN INTRODUCTION BY CHRIS BURKE   Inconsistent labeling creates confusion and hinders efficiency
USABILITY
AN INTRODUCTION BY CHRIS BURKE   Providing kiosk search on the home page cuts user paths in half
32???




USABILITY
AN INTRODUCTION BY CHRIS BURKE   Providing kiosk search on the home page cuts user paths in half
USABILITY
AN INTRODUCTION BY CHRIS BURKE   Yet postal code errors will require an additional form completion
USABILITY
AN INTRODUCTION BY CHRIS BURKE   Simplify the design and the users search requirements
WINTER PARK




USABILITY
AN INTRODUCTION BY CHRIS BURKE   Simplify the design and the users search requirements
USABILITY
AN INTRODUCTION BY CHRIS BURKE simple search + simple design = improved feedback and efficiency
WINTER PARK




USABILITY
AN INTRODUCTION BY CHRIS BURKE simple search + simple design = improved feedback and efficiency
Memorability:
         reestablishing proficiency
         after a period of not using a design




USABILITY
AN INTRODUCTION BY CHRIS BURKE
USABILITY
AN INTRODUCTION BY CHRIS BURKE Visual clutter and redundant navigation makes wayfinding difficult
USABILITY
AN INTRODUCTION BY CHRIS BURKE   Reduced color palette orients users and highlights feature sets
USABILITY
AN INTRODUCTION BY CHRIS BURKE   Reduced color palette and navigation improves memorability
USABILITY
AN INTRODUCTION BY CHRIS BURKE   Reduced color palette and navigation improves memorability
USABILITY
AN INTRODUCTION BY CHRIS BURKE   Reduced color palette and navigation improves memorability
USABILITY
AN INTRODUCTION BY CHRIS BURKE   Titled sections simplify the interface and wayfinding process
USABILITY
AN INTRODUCTION BY CHRIS BURKE   Titled sections simplify the interface and wayfinding process
Errors:
         what kind of errors are made
         and how quickly can users recover




USABILITY
THE 5 PRINCIPLES OF USABILITY
USABILITY
AN INTRODUCTION BY CHRIS BURKE   Adding too many items is a common user error
USABILITY
AN INTRODUCTION BY CHRIS BURKE   Adding too many items is a common user error
USABILITY
AN INTRODUCTION BY CHRIS BURKE Inadequate feedback increases errors and decreases completions
USABILITY
AN INTRODUCTION BY CHRIS BURKE Inadequate feedback increases errors and decreases completions
USABILITY
AN INTRODUCTION BY CHRIS BURKE   Providing choices helps prevent mistakes before they happen
USABILITY
AN INTRODUCTION BY CHRIS BURKE   Providing choices helps prevent mistakes before they happen
USABILITY
AN INTRODUCTION BY CHRIS BURKE Rule of Thumb: Always provide error messaging above the form
SHMAEL

                         ........




USABILITY
AN INTRODUCTION BY CHRIS BURKE Rule of Thumb: Always provide error messaging above the form
Wrong Username/Email and password combination.




                          SHMAEL

                         ........




USABILITY
AN INTRODUCTION BY CHRIS BURKE Rule of Thumb: Always provide error messaging above the form
Satisfaction:
         how pleasant was the experience
         while interacting with the design




USABILITY
THE 5 PRINCIPLES OF USABILITY
USABILITY
AN INTRODUCTION BY CHRIS BURKE   Utilize surveys and user testing to track and improve UX
USABILITY
AN INTRODUCTION BY CHRIS BURKE   Utilize surveys and user testing to track and improve UX
Usability
                                Business Benefits




USABILITY
BENEFITS TO CLIENTS AND BUSINESSES
INCORPORATING USABILITY	
10% OF THE BUDGETS ALLOCATION
๏   I NEED
                                ๏   I WANT
                                ๏   I TOLERATE
                                ๏   I EXPECT



INCORPORATING USABILITY	
10% OF THE BUDGETS ALLOCATION
๏   I NEED
   ๏   I INCREASED
       CONVERSIONS              ๏   I WANT
                                ๏   I TOLERATE
   ๏   I IMPROVED
                                ๏   I EXPECT
       BRAND RECOGNITION



INCORPORATING USABILITY	
10% OF THE BUDGETS ALLOCATION
Metric                            Average Improvement
     Use of specific (target) features                              202%
     User performance/productivity                                 161%
     Traffic / visitor count                                        150%
     Sales / conversion rates                                      100%
                                        Update 2008: These values have recently been revised to reflect decreased %
                                                                                                  source: useit.com




USABILITY
BENEFITS TO CLIENTS AND BUSINESSES
CHRIS BURKE: UX CONSULTANT
COURSE DIRECTOR: WEB INTERFACE & USABILITY
COURSE DIRECTOR: HCI & USABILITY ONLINE
                 FULL SAIL UNIVERSITY
Thanks for
Listening


CHRIS BURKE: UX CONSULTANT
COURSE DIRECTOR: WEB INTERFACE & USABILITY
COURSE DIRECTOR: HCI & USABILITY ONLINE
                 FULL SAIL UNIVERSITY

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An Introduction to Usability - Chris Burke: for Barcamp Orlando 2010

Notes de l'éditeur