General HCI Info

Question 1

What three research activities makes up HCI?

Answer 1

1. Creating usability methods for guiding design
2. Creating new systems, tools and techniques.
3. Modelling and understanding behaviour

Question 2

What is the influence of experiment psychology on HCI?

Answer 2

Models and knowledge of human neuromuscular motor control system and perceptual abilities.

Controlled experiment paradigm

Question 3

What is the controlled experiment paradigm?

Answer 3

Set of independent and dependent variables.

Formulation of a set of hypothesis

Method description that outlines an experiment procedure.

Analysis of results, involving statistical hypothesis tests.

Question 4

What does the controlled experiment paradigm assume?

Answer 4

A model

Question 5

How does the model affect the experimental design?

Answer 5

If the model in the experimental design is too unrealistic, there is a question of how well the results generalise.

This leads us to internal and external validity.

Question 6

What does low ecological validity mean?

Answer 6

Results do not generalise to actual use practices

Question 7

What methods are used other than experimental design?

Answer 7

Ethnographic research methods

Anecdotal experiences and subjective reaction.

Qualitative data collection methods.