Chapter 29

Question 1

What is evaluation

Answer 1

The process of systematically collecting data that inform us about what it is like for a particular group of users to use a product for a particular task in a certain type of environment.

Question 2

What are 2 types of data gathered for evaluation

Answer 2

1. Qualitative (derived from qualitative research techniques, based upon opinions and observations)
2. Quantitative (based upon numbers)

Question 3

What is heart of HCI

Answer 3

Evaluation

Question 4

What is time to market

Answer 4

The time it takes to release the product into market

Question 5

What are 4 core evaluation paradigms/types

Answer 5

1. Quick and dirty
2. Usability testing
3. Field studies
4. Predictive evaluation

Question 6

What is Quick and dirty evaluation paradigm

Answer 6

In this method developers and designers get informal feedback from users.

Question 7

What is Usability testing evaluation paradigm

Answer 7

It is a formal technique. We give user questionnaires and tasks to gather data.

Question 8

What is Field studies evaluation paradigm

Answer 8

We go to fields/offices in it and observe them while working

Question 9

What is Predictive/heuristic evaluation technique/expert review

Answer 9

Use of design principles for evaluation

Question 10

What are 5 techniques of interaction paradigm

Answer 10

• Observing users
• Asking users
• Asking experts
• Testing user performance
• Modelling user task performance

Question 11

What are various techniques to modelling the performance of user

Answer 11

1. Gooms technique

2. Keystroke model