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