User Interface Design W1-2

Question 1

ISO 9241

Answer 1

1. Time to learn
2. Speed of performance
3. Rate of errors
4. Retention
5. Subjective satisfaction

Question 2

Social media interface

Answer 2

Subjective satisfaction

Question 3

Video game interface

Answer 3

Learnability

Question 4

Professional interface

Answer 4

Accepts long training periods. Needs low errors and high speed.

Question 5

Creative interface

Answer 5

Accepts long training periods. Needs high speed, but not low errors.

Question 6

Voting

Answer 6

Like videogames, needs learnability

Question 7

How research is done

Answer 7

1. Short term via studies.
2. Long term via individual follow ups.

Question 8

Interface design goals

Answer 8

1. Influencing researches so that reduced fear of computers, interface customization, social media expansion, more input devices, and information exploration can be accomplished.
2. Providing guidelines and tools for commercial software creation.
3. Raising users awareness of the arbitrary nature of interfaces design.

Question 9

Variations in abilities

Answer 9

Blindness, color blindness,

Question 10

Variations in workplaces

Answer 10

“Human Factors in Engineering of Computer Workstations”
1. Worktable and display-support height
2. Clearance under work surface for legs
3. Work-surface width and depth
4. Adjustability of heights and angles for chairs and work surfaces
5. Seating depth and angle, backrest height, lumbar support
6. Availability of armrests, footrests, and palm rests
7. Use of chair casters

Question 11

Cognitive and perceptual ability

Answer 11

1. IQ
2. Short term memory
3. Substance use
4. Food & sleep

Question 12

Cultural diversity

Answer 12

Store everything in files to localize

Question 13

Disabled users law #s

Answer 13

US section 508 and EU section order 376

Question 14

How to Help Seniors

Answer 14

1. Control of font
2. Contrast
3. Audio
4. Clear navigation
5. Consistent layout
6. CC

Question 15

Children

Answer 15

1. Use repetition
2. Don’t patronize
3. Low literacy

Question 16

Lack of hardware

Answer 16

1. Low bandwidth
2. Small screen

Question 17

Guidelines

Answer 17

Low level advice about good practices

Question 18

Principles

Answer 18

Middle level strategies or rules to compare alternatives

Question 19

Theories

Answer 19

High level frameworks for coming up with ideas, teaching people design, and predict how people will use software.

Question 20

Early and influential guidelines

Answer 20

Apple and Microsoft

Question 21

Web Accessibility Guidelines

Answer 21

W3C and US Access Board Section 508

Question 22

Goals for data display

Answer 22

1. Consistency
2. Efficient assimilation by user
3. Minimal memory load
4. Compatibility with data entry
5. Sorting and other flexible controls

Question 23

Goals for data entry

Answer 23

1. Consistency
2. Minimal input - no duplication
3. No lengthy lists of codes to memorize
4. Compatibility with data display
5. Adjustability for advanced users

Question 24

First time users

Answer 24

Instructions, dialogue boxes, limited vocabulary, minimal options, lots of feedback

Question 25

Intermediate users

Answer 25

"users who forget the details," well designed menus, consistent terminology, recognition over recall, context dependent help, protection from danger.

Question 26

Power users

Answer 26

Fast UI, minimal input

Question 27

Task ID

Answer 27

Observe user behavior Break down into things they want to accomplish Frequency of action should determine its difficulty

Question 28

Interaction style

Answer 28

Direct manipulation is preferable, but hard to implement. Menus are slow but easy Forms requiring training and take up screen space. Commands take a lot of training but are fast Natural language should be avoided.

Question 29

Eight golden rules

Answer 29

Have consistency of IO contents and layout Seek universal usability Offer informative feedback Design dialogues to yeild closure Prevent errors Enable easy reversal of actions Keep users in control Reduce short term memory load.

Question 30

Error prevention

Answer 30

Specific error messages Correct dangerous actions Use autocomplete Enable scripting

Question 31

Types of theories

Answer 31

Taxonomy- naming things Explanatory- relationships between variables Prescriptive- how to design Predictive- how user will behave

Question 32

Human capacity based theories

Answer 32

Motor Perceptual Cognitive

Question 33

Design by levels

Answer 33

Conceptual, semantic, syntactic, lexical

Question 34

GOMS

Answer 34

For experts not making errors only

Question 35

Contextual theories

Answer 35

Facilitated by macro HCI is observational studies

Question 36

Dynamic theories

Answer 36

Answers why do people adopt our product with: 1. Faster/cheaper relative advantage 2. Compatibility 3. Experiment-ability 4. Observability 5. Non-complexity