Unit 4: Introduction to evaluation Flashcards Preview

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Flashcards in Unit 4: Introduction to evaluation Deck (6)
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1

Why evaluate?

Check that users can use the product and they like it, especially if design concept is new.

Now, users look for much more than usability - want a pleasing and engaging experience.

2

Business and marketing perspective of evaluation. (3)

Feedback about early design ideas.

Major problems fixed before product goes on sale.

Focus on real problems rather than debating each others likes / dislikes.

3

What to evaluate?

Wide diversity of products gives rise to a range of features that should be evaluated.
Eg. browser - find items faster?
traffic lights - fewer accidents?
toy - can a 6-year-old manipulate, are they engaged, is it safe?

4

When to evaluate?

Brand-new concept - much time usually on market research and requirements

Upgraded product - usually less scope for change, and attention focused on improving specific aspects. Evaluation may be first step in redesign.

Summative evaluations - assess the success of a finished product.

Formative evaluations - done during the design to check the product continues to meet users' needs.

5

3 main approaches to evaluation.'

Usability testing.

Field studies.

Analytical evaluation.

6

Methods of evaluation. (6)

Observing users.

Asking users.

Asking experts.

User testing.

Inspections.

Modeling users' performance.