Week 1

Question 1

What is Human-Computer Interaction?

Answer 1

Man-Machine Interaction

Computer-Human Interaction

Question 2

Definition of HCI?

Answer 2

Human-Computer interaction is a discipline concerned with the design, evaluation, and implementation of interactive computing systems for human use and with the study of major phenomena surrounding them

Question 3

What fields does HCI cover?

Answer 3

Computer Science
Psychology
Communication
Education
Anthropology
Design

Question 4

Good HCI relies on?

Answer 4

Known design solutions

User feedback

Question 5

When in the development process should HCI be considered?

Answer 5

Through the development process

Question 6

User interfaces hard to get right?

Answer 6

People are unpredictable

Intuition of designers often wrong

Question 7

Needs for Elderly?

Answer 7

Touch Screens
Larger fonts
Louder sounds

Question 8

Goals for Children?

Answer 8

Educational Acceleration
Socialization with peers
Psychological - improve self-image, self-confidence
Creativity - art, music, exploration

Question 9

Teenagers?

Answer 9

Requires safety
They:
* Like exploring
* Don't mind making mistakes
* Like familiar characters and repetition
* Don't like patronizing comments

Question 10

Users with Disabilities?

Answer 10

Vision (Text to speech)
Hearing (Conversion of tones to visual signals)
Mobility (eye-gaze control, head-mounted optical mice)
Keyboard, mouse, color alternatives

Question 11

Field of Anthropometry?

Answer 11

Basic data about human dimensions
Is no average user
Measures of what is 5-95% for weight, height, gender, culture.

Question 12

You need to find a balance between?

Answer 12

Design and technology

Human-centered approaches and CS approaches

Question 13

Human?

Answer 13

The end user of a program

The others they work or communicate with

Question 14

Computer?

Answer 14

The machine the program runs on

Split between the clients and servers

Question 15

Interaction?

Answer 15

User tells the computer what they want

Computer communicates results

Question 16

Who creates UIs?

Answer 16

Graphic designers
Interaction Interface designers
Information Architects
Technical Writers
Marketers
Program Managers

Question 17

How to Design and Build Good UIs?

Answer 17

Iterative development process
Usability goals
User-centered design
Design discovery
Rapid prototyping
Evaluation
Programming

Question 18

User-Centered design “Know Thy User”?

Answer 18

Cognitive Abilities
Organizational / Educational Job Abilities
Keep Users Involved

Question 19

Cognitive Abilities?

Answer 19

Perception
Physical Manipulation
Memory

Question 20

Keep users involved throughout?

Answer 20

Developers working with target customers

Think of the world in user’s terms

Question 21

Fact of Life #1?

Answer 21

We don’t read pages. We scan them.

Question 22

Why do people scan pages?

Answer 22

We’re usually in a hurry
We know we don’t need to read everything
We’re good at it

Question 23

Fact of Life #2?

Answer 23

We don’t make optimal choices. We satisfice!

Scan and pick the best option

Question 24

Whys satisfice?

Answer 24

We’re in a hurry
There’s not much of a penalty for guessing wrong
Weighting options may not improve our chances
Guessing is more fun

Question 25

Fact of Life #3?

Answer 25

We don’t figure out how things work. We muddle through?

Question 26

FoL #3 Why?

Answer 26

It’s not important to us

If we find something that works, we stick to it.

Question 27

Mandel’s Golden Rules?

Answer 27

Place Users in Control
Reduce Users’ Memory Load
Make the Interface Consistent

Question 28

Place Users in Control?

Answer 28

Use models judiciously (modeless)
Allow users to use either the keyboard or mouse (flexible)
Allow users to change focus (interruptible)
Display descriptive messages and text (helpful)

Question 29

Reduce User’s Memory Load?

Answer 29

Relieve short-term memory (remember)
Rely on recognition, not recall (recognition)
Provide visual cues (inform)
Provide defaults, undo, and redo (forgiving)
Provide interface shortcuts (frequency)

Question 30

Make the Interface?

Answer 30

Consistent Sustain the context of users’ tasks (continuity)
Maintain consistency within and across products (experience)
Keep interaction results the same (expectations)