Systemic ux

SYSTEMIC USER
EXPERIENCE

Pedro Custódio, ENEI 2010
Coimbra, Portugal
Segunda-feira, 23 de Janeiro de 12

DON'T MAKE ME

THINK!

FORM follows FUNCTION


AESTHETICS


USER EXPERIENCE is about creating meaningful,
effective and engaging experiences

http://ﬂickr.com/photos/barberenc/1859739215/


The spectrum of
User Experience


http://www.ﬂickr.com/photos/tinaylin/3343265602/

Learnability

http://www.ﬂickr.com/photos/mugofevil/3751570176/

Efficiency

http://www.ﬂickr.com/photos/oslointhesummertime/100653299/

Memorable

Errors

Satisfaction


What makes a GOOD
service/product?


USABLE


USEFUL


DESIRABLE


User perception is
SUPERFICIAL

http://www.ﬂickr.com/photos/30978323@N02/4404399223/

Magic Box


Users Blame
themselves


Who buy isn’t the
one using it.


http://www.ﬂickr.com/photos/mikeygottawa/374910126/


Better design/develop
it correctly or
PAY LATER!


A simple exercise ...


Let’s begin by making a simple
paper airplane, any
configuration is accepted


Now take some time to write down
some instructions on how to build
your particular type of plane


Hand over the instructions to a fellow
colleague and ask him to build it.


YOU ARE
NOT THE
USER!


http://www.ﬂickr.com/photos/andrej_ﬁlev/2760610793/

It's hard to forget the
things you know!

SOFTWARE
ENGINEERING
is about communicating with other
programmers


UX IS HOW
YOU COMMUNICATE WITH USERS

GOOD UX are hard


A good UX will take a
important part of your
development cycle


Traditional
Software
Development
Model
(ex: waterfall model)

http://www.ﬂickr.com/photos/striatic/2191404675/

SUCKS for UX
it's even bad for it!

Requirements
& Acceptance

Meaning
PRETTY SOON
or
TOO LATE
in the process

UX PROBLEMS need to
be FIXED not
PATCHED!


UX can't be left until
the END of the process
it needs to be PART OF
THE PROCESS


it needs to be

SYSTEMIC

covering all parts of the
development process


EMBRACE a more
AGILE and ITERATIVE
development process


DEFINE

DESIGN

EVALUATE IMPLEMENT


DESIGN

EVALUATE IMPLEMENT

DEFINE


UCD
User Centered Design


Step away from the computer

Questionnaires
Interviews
Observation


WHO?

✓ Age
✓ Education
✓ Gender
✓ Computer Experience
✓ Skills
✓ Domain Experience
✓ Environment
✓ ...


Graphic extracted from Alan Cooper’s book: “About Face 2.0”


WHAT?
TASK ANALYSIS


GOAL = TASK

✓Where
✓How often
✓Time/resources
constraints
✓Learnable
✓Who else
✓Problems


DESIGN

Three Golden Questions

What’s this?
What can I do?
What should I do?


EXPLORABLE


INTUITIVE


PREDICTABLE

http://www.ﬂickr.com/photos/piterart/4074570137/

Principles of Good Form

1. Availability
2. Feedback
3. Structure
4. Reuse
5. Tolerance
6. Simplicity

IMPLEMENT


DESIGN
8

5

1
2

3
4
6
7

9
10

EVALUATE IMPLEMENT

EVALUATE

http://www.ﬂickr.com/photos/matthijs/2242482859/

Evaluate each prototype

PUT THEM TO THE TEST!

expert evaluation

OBRIGADO! ;)

Pedro Custódio
http://blog.pedrocustodio.com

Systemic ux

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