LeonardoLaptop.ppt 3013KB Jun 23 2011 12:31:48 PM

Leonardo's Laptop:
Human Needs and the New Computing
Ben Shneiderman
Founding Director (1983-2000), Human-Computer Interaction Laboratory

Professor, Department of Computer Science
Member, Institutes for Advanced Computer Studies &
Systems Research
University of Maryland
ben@cs.umd.edu

Human-Computer Interaction Laboratory
Interdisciplinary research community
- Computer Science & Psychology
- Information Studies & Education
(www.cs.umd.edu/hcil)

Scientific Approach (beyond user friendly)




Specify users and tasks
Predict and measure







time to learn
speed of performance
rate of human errors
human retention over time

Assess subjective satisfaction
(Questionnaire for User Interface Satisfaction)





Accommodate individual differences
Consider social, organizational & cultural context

Design Issues


Input devices & strategies






Output devices & formats








Keyboards, pointing devices, voice
Direct manipulation
Menus, forms, commands
Screens, windows, color, sound
Text, tables, graphics
Instructions, messages, help

Collaboration & communities
Manuals, tutorials, training

www.awl.com/DTUI
usableweb.com
hcibib.org
useit.com

Library of Congress

 Scholars, Journalists, Citizens
 Teachers, Students


Visible Human Explorer (NLM)
 Doctors
 Surgeons
 Researchers
 Students

NASA Environmental Data
 Scientists
 Farmers
 Land planners
 Students

Bureau of Census
 Economists, Policy

makers, Journalists
 Teachers, Students

Leonardo da Vinci (1452-1519)

Renaissance Man







Painter
Inventor
Visionary
Mathematician
Philosopher
Engineer

Mona Lisa

Lady with Ermine & Leda with Swan

Last Supper Fresco


Remarkable Drawing Skill

Faces of Old Men

Anatomical Drawings

Machine Gun and Giant Crossbow

Why Leonardo Inspires Us
He integrated
- Scientific outlook
- Practical technology
- Artistic skill

Leonardo: An Inspirational Muse
Three lessons:
1) Human needs drive innovation

2) Universal usability


3) Creativity support tools

1) Human needs drive innovation


Jefferson: Life, Liberty & the Pursuit of Happiness



Roosevelt: Freedom of speech & expression, religion,
from want, from fear



Maslow: Hierarchy of human needs









Physiological
Safety
Love
Esteem
Self-Actualization

Covey: Living, Loving, Learning & Leaving a legacy

Spectrum of relationships
Family & Friends
(2-20 close intimates)

Colleagues & Neighbors
(10-1000 regular encounters)

Members & Residents

(1000-1,000,000 professionals or city residents )

Citizenry & Markets
(larger communities)

Range of Activities
Collect:

Information

Relate:

Communication

Create:

Innovation

Donate:


Dissemination

Periodic table
Activities:
Relationships:
Family & Friends
Colleagues & Neighbors
Members & Residents
Citizenry & Markets

Collect

Relate Create Donate

Periodic table
Activities:
Relationships:

Collect


Relate Create Donate

Family & Friends
Colleagues & Neighbors
Members & Residents
Citizenry & Markets

Skeptics corner
- Aren’t relationships more complex
- Are these useful activities?

Examples: Collecting information
Activities:
Relationships:

Collect

Family & Friends

LifeLines

Colleagues & Neighbors

InfoDoor

Members & Residents
Citizenry & Markets

InfoWall
WebBush

Relate

Create

Donate

Examples: Relating to others
Activities:
Relationships:
Family & Friends
Colleagues & Neighbors
Members & Residents
Citizenry & Markets

Collect

Relate Create
Empathic
support
Neighbor
.com
Negotiated
expectations
Million
person
community

Donate

Examples: Creating a future
Activities:
Relationships:
Family & Friends
Colleagues & Neighbors
Members & Residents
Citizenry & Markets

Collect

Relate

Create
Vacation
plan
Business
strategy
Urban
renewal
Policy
manifesto

Donate

Examples: Disseminating & Leading
Activities:
Relationships:
Family & Friends
Colleagues & Neighbors
Members & Residents
Citizenry & Markets

Collect

Relate Create

Donate
Tell stories
Teach kids
Record events
Train novices

Report decisions
Mentorship
Preserve history
Leadership

Human needs drive innovation
Activities:
Relationships:
Family & Friends

Collect
Photo
Finder

Relate
ICQ

Create

Donate

Gatherround.com
XXX.LANL

Colleagues & Neighbors
Photo
Quilt

Members & Residents
GlassEye

Citizenry & Markets

Ebay
Nasdaq

Napster

2) Universal Usability


Problem: Confusion, frustration, and remorse
dominate user experiences






Survey of 6000 users finds 5.1 hours/week wasted
Incompatible files, interfaces, networks, hardware
Poorly designed websites lacking accessibility policy

Solutions:




Raise user expectations
Conduct research
Provide practical tools & methods

2) Universal Usability


Problem: Confusion, frustration, and remorse
dominate user experiences






Survey of 6000 users finds 5.1 hours/week wasted
Incompatible files, interfaces, networks, hardware
Poorly designed websites lacking accessibility policy

Solutions:




Raise user expectations
Conduct research
Skeptics corner
Provide practical tools & methods - Dumbing down
- Lowest common denominator

2) Universal Usability


Problem: Confusion, frustration, and remorse
dominate user experiences






Survey of 6000 users finds 5.1 hours/week wasted
Incompatible files, interfaces, networks, hardware
Poorly designed websites lacking accessibility policy

Solutions:




Raise user expectations
Conduct research
Provide practical tools & methods

ACM Code of Ethics
In a fair society, all individuals would have
equal opportunity to participate
in, or benefit from, the use of
computer resources regardless of race,
sex, religion, age, disability, national
origin or other such similar factors.

Internet Use by Education - 1998


Percent of U.S. Households Using the Internet
Total U.S., Rural, Urban, and Central City Areas

Falling Through the Net: Defining the Digital Divide www.ntia.doc.gov

Internet Use by Income - 1998


Percent of U.S. Households Using the Internet
Total U.S., Rural, Urban, and Central City Areas

Falling Through
the Net:
Defining the
Digital Divide
www.ntia.doc.gov

Research Agenda


Technology variety:
Support broad range of hardware, software,
and network access



User diversity:
Accommodate users with different skills,
knowledge, age, gender, disabilities, disabling
conditions (mobility, injury, noise, sunlight),
literacy, culture, income, etc.



Gaps in user knowledge:
Bridge the gap between what users know and
what they need to know
Communications of the ACM, May 2000

Technology variety: Support broad range of
hardware, software, and network access
1 to 100 range in processor speeds
286

486

Pentium

1 to 100 range in screen sizes

Palm
devices
30,000

Device Independence

Input: keyboard, speech,...
Output: visual, auditory,...
Conversion: Text-speech
Speech-text,...

Software Versions
Laptops
480,000

Large Desktop or Wall Display
3,840,000 pixels

1 to 100 range in network bandwidth
9.6K 56K

10,000Kbps

Compatibility
File conversion
Multiple platforms

User diversity: Accommodate different users
Language & Culture
Western, Eastern, developing...

Personality
Introvert vs extravert
Thinking vs feeling
Risk aversion
Locus of control
Planful vs playful

Skills
Computer newbie to hacker

Knowledge
Domain novice to expert

Disabilities
Visual, auditory, motoric, cognitive

Disabling conditions
Mobility, injury, noise, sunlight

Age
Young to old
Gender
Male or Female
Income
Impoverished to wealthy

Gaps in User Knowledge - Strategies
Bridge the gap between what users know and
what they need to know Online Learning
Design

Layered
Level-structured
Task-oriented

(evolutionary, phased)
Introductory tutorials
Getting started manuals,
Cue cards
Walkthroughs/Demos
Minimalist/Active

Training
Fade-able scaffolding
Training wheels
Minimalist

Online help
Context sensitive, tables of contents,
Indexes, Keyword search,
FAQs, Newsgroups, Chat rooms
Online communities

Customer service
Email
Phone
Help desks

3) Creativity Support Tools


More people, more creative, more of the time


Revolutionary breakthroughs, paradigm shifts, Hcreativity



Evolutionary, normal science, music & art,
creative knowledge work



Impromptu everyday creativity

Eight Activities









1) Searching & browsing digital libraries
2) Consulting with peers & mentors
3) Visualizing data & processes
4) Thinking by free associations
5) Exploring solutions - What if tools
6) Composing artifacts & performances
7) Reviewing & replaying session histories
8) Disseminating results

Eight Activities









1) Searching & browsing digital libraries
2) Consulting with peers & mentors
3) Visualizing data & processes
4) Thinking by free associations
5) Exploring solutions - What if tools
6) Composing artifacts & performances
7) Reviewing & replaying session histories
8) Disseminating results
Skeptics corner
- Tools can limit imagination
- Not everyone wants to be creative
- Creativity can be malicious

3) Visualizing data & processes
The eye…
the window of the soul,
is the principal means
by which the central sense
can most completely and
abundantly appreciate
the infinite works of nature.
Leonardo da Vinci
(1452 - 1519)

Information Visualization: Using Vision to Think


Visual bandwidth is enormous






Human perceptual skills are remarkable
 Trend, cluster, gap, outlier...
 Color, size, shape, proximity...
Human image storage is fast and vast

Opportunities






Spatial layouts & coordination
Information visualization
Scientific visualization & simulation
Telepresence & augmented reality
Virtual environments

Information Visualization: Mantra











Overview, zoom & filter, details-on-demand
Overview, zoom & filter, details-on-demand
Overview, zoom & filter, details-on-demand
Overview, zoom & filter, details-on-demand
Overview, zoom & filter, details-on-demand
Overview, zoom & filter, details-on-demand
Overview, zoom & filter, details-on-demand
Overview, zoom & filter, details-on-demand
Overview, zoom & filter, details-on-demand
Overview, zoom & filter, details-on-demand

Information Visualization: Data Types
1-D Linear
2-D Map
3-D World
Multi-Dim

Document Lens, SeeSoft, Info Mural, Value Bars



Temporal

Perspective Wall, LifeLines, Lifestreams,
Project Managers, DataSpiral



Tree
Network

Cone/Cam/Hyperbolic, TreeBrowser, Treemap








GIS, ArcView, PageMaker, Medical imagery
CAD, Medical, Molecules, Architecture
Parallel Coordinates, Spotfire, XGobi, Visage,
Influence Explorer, TableLens, DEVise

Netmap, netViz, SeeNet, Butterfly, Multi-trees

(Online Library of Information Visualization Environments)
otal.umd.edu/Olive

Customer Histories

LifeLines

Treemap - view large trees






Space filling
Space limited
Color coding
Size coding
Requires learning

TreeViz (Mac, Johnson, 1992)
NBA-Tree(Sun, Turo, 1993)
Winsurfer (Teittinen, 1996)
Diskmapper (Windows, Micrologic)
Treemap97 (Windows, UMd)

(Shneiderman, ACM Trans. on Graphics, 1992)

Treemap - Stock market, clustered by industry

Leonardo da Vinci (1452-1519)
Three lessons:
1) Human needs drive innovation
2) Universal usability
3) Creativity support tools

ACM Conference on Universal Usability
Washington, DC
November 16-17, 2000
www.acm.org/sigchi/cuu

Human-Computer Interaction Laboratory
www.cs.umd.edu/hcil

For More Information


Visit the HCIL website for 200 papers & info on videos
(www.cs.umd.edu/hcil)



See Chapter 15 on Info Visualization
Shneiderman, B., Designing the User Interface:
Strategies for Effective Human-Computer Interaction:
Third Edition (1998) (www.aw.com/DTUI)



January 1999 book of readings:
Card, S., Mackinlay, J., and Shneiderman, B.
Information Visualization: Using Vision to Think

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