USABILITY, WILL THIS ACTUALLY WORK?
Is it Usable does it work ?

How do we measure usability
Coducting a heuristic evaluation
What is usability testing
How to conduct a usability text
Best Practices:
Great products start from the center- and work there way out. Utility- This supposedly does what I need
USABLE
I am able to accomplish my test
DESIRABLE
I like using it
EMOTIONAL
I have a good feeling about this brand or product
USABILITY HEURISTICS- 5 QUALITIES
- LEARNAILITY
- EFFICIENCY
- MEMORABILITY
- ERROR MANAGEMENT
- SATISFACTION
HOW LEARNABLE IS IT
Video game- ‘thomas was alone’
2.HOW EFFICIENT IS IT?
- Does the system reduce hesitation with clear language and feedback?
- Have you created special shortcuts for power users?
- Have you leveraged technology to reduce user effort?
- (Learn importantly)
3.HOW MEMORABLE IS IT?
- Does the system call out changes since the user’s last login?
- Are UI elements placed in conventional positions?
- Would user be able to re-establighed
- Example: Netflix- regardless of how much or how little things are changing — still have the same interactions
ARE ERRORS HANDLED ELEGANTLY -
We want our user to stay-
DO USERS LEAVE SATISFIED?
- Is the visual design appealing?
- Is the technical execution good?
- Is the product different from others in its category
Affords as best you can for your current users
The way you can evaluate the site is subjective to you — this is based on my opinion weather or not its learnable; efficient
HEURISTIC EVALUATION
- You and your team does usually at the beginning of what has already been done.
PROS OF HEURISTIC EVALUATION
- Leverages well-established rules of thumb
- Relatively quick complete
- Take very few resources
CONS OF HEURISTIC EVALUATION
- Doesnt capture the user’s perspective
NIELSEN’S HEURISTICS
- VISIBILITY OF SYSTEM STATUS- you know where you are, you know if its on or off
- MATCH BETWEEN SYSTEMS AND THE REAL WORLD-
- USER CONTROL AND FREEDOM- do we give them the freedom to go through the flow
- CONSISTENCY AND STANDARDS
- ERROR PREVENTION
- RECOGNITION RATHER THAN RECALL
- FLEXIBILITY AND EFFICIENCY OF USE-
- AESTHETIC AND MINIMALIST DESIGN
- HELP USERS RECOGNIZE, DIAGNOSE, AND RECOVER FROM ERRORS
- HELP AND DOCUMENTATION
USABILITY HEURISTICS
Domenick Propatis 6 qualities of usability
Follow standards and guidelines
Intuitive
Consistent
Flexible
Comfortable
Correct
AND MORE
- Cognitive engineering principles
- Weinschenk and Barker classification
- W3C Web Content Accessibility Guidelines
- Togs First Principles of Interactive Design
“Watching people try to use what your creating/designing
STRUCTURE OBSERVATION
A Method for observing
WHY DO WE DO IT?
- To get the users perspective
- Its a cheap and easy way to get feedback
- It can indicate