Introduction to User Interface Design & User Interface Issues Dr. Cheryl D. Seals Computer Science &...

Introduction to User Interface Design

& User Interface Issues

Dr. Cheryl D. Seals

Computer Science & Software Engineering

World Usability DayAuburn University




www.freewebtemplates.com/

Good Design (our goal!)Good Design (our goal!)

“Every designer wants to build a high-quality interactive system that is admired by colleagues, celebrated by users, circulated widely, and imitated frequently.” (Shneiderman, 1992, p.7)

…and anything goes!…

The Good…The Good…

The Bad…The Bad…

Why is this a better design?Why is this a better design?

Closer to Fine Arts: A Philosophy

Closer to Fine Arts: A Philosophy

…The human user of any system is the focus of the design process. Planning and implementation is done with the user in mind, and the system is made to fit the user, not the other way around….

Bruce WalkerGeorgia Institute of Technology

The Design of Every Day ThingsThe Design of Every Day Things

“Understanding how to operate a novel device had three major dimensions:

affordances, constraints and

conceptual models”

Donald NormanNielson Norman Group

Developing a Conceptual ModelDeveloping a Conceptual Model

1. Object and Action Analysis

2. Lexicon or Ontology

3. Scenarios

Mental Model = Conceptual Model

Cartoon by Mark Parisi. Used by special permission.

Universal Design & Auto DesignUniversal Design & Auto Design

We Are Getting OlderI recently watched an elderly lady struggle to

extricate herself from the front seat of a car. "Now there is a huge opportunity," I said to myself, "we live in an aging society, yet we still design for the young and able.

Why not address this huge, important market?" There is a tendency to shy away from designing for the impaired. This is a special-interest group, it is feared, one that will drive away other customers. Wrong. Designs intended to make life easier for the elderly or handicapped can be useful for everyone.

www.newmobility.comwww.newmobility.com/review_article.cfm?id=977&action=browse

Interface DesignInterface Design

• Rules of interface design – Ben Shniederman Strive for consistency, informative feedback Design dialogs to yield closure error prevention and simple error handling Support undo and reduce short-term memory load.

• First rule of usability? Don’t listen to users – Jakob Nielson Conducted series of experiments to become familiar with user

population and gathered user task profiles Fun Learning Stagecast Creator. Seals, Rosson, Carroll, Lewis Community Design of Community Simulations. Rosson, Carroll,

Seals Teachers as Simulation Programmers. Rosson, Seals

Background: Simulations/Construction Kits

Background: Simulations/Construction Kits

• Allow users to create interesting simulations, but the user is limited to preprogrammed behavior SimCity [www.simcity.com] Pinball Construction Set [Electronic Arts] Star Wars Droid Works [Lucas Learning] ActivChemistry [Salamander interactive]

• We want to provide the rich game-like feeling of a construction kit for ease of creation, but allow user the power to specialize simulation

Programming in AgentSheetsProgramming in AgentSheets

• Agentsheets main interface is a simulation microworld where objects interact.

• Users program by direct manipulation: dragging condition and action templates to the rule window.

Conditions Actions

Rule WindowInterface

Programming in SimBuilder

SimBuilder main interface is a simulation microworld where objects interact.

Users program by direct manipulation: dragging or combining scripts in the workspace to make them active. Dragging a rule from the scripting window, expands it to a full sized script.

Virtual CommunitiesVirtual Communities

Community Sims

tapped in@SRI

squeakland.org

Virtual CommunitiesVirtual Communities

TeachAlabama

squeakland.org

Opportunities for Design Opportunities for Design Ubiquitous computing (mother of them all)• Pervasive computing• Wearable computing• Attentive environments• Transparent computingReal-World User Interfaces • Software Agents• Mobile/wearable computing• Information Visualization• Computer Augmented Environments• Virtual reality

Website/Web Application Design

Web DesignWeb Design

Which is easiest to read and why?Which is easiest to read and why?

What is the time?

What is the time?

What is the time?

What is the time?

What is the time?

UID & Web DesignUID & Web Design

Good vs. Bad Design

UID BooksDesigning the User Interface -Ben Shneiderman GUI Bloopers -Jeff Johnson Leonardo's Laptop -Ben Shneiderman The Art of Changing the Brain -James Zull The Design of EveryDay Things -Donald Norman

webpagesthatsuck.com•http://www.hcbelectric.com/•http://www.dontclick.it/•http://moonweed.free.fr/crystal_intro.html•http://www.theponusyachtclub.com/


This Website is an HCCL & AUCHIL collaborationCreated by Brad Barker, Beau Bowden, Christin Hamilton, Andrea Williams

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Overview Services WORK CENTER Contact Us Links Newsletter Contributions 2003 Annual Report Staff

The Achievement Center – Easter Seal, of Opelika, Alabama, is a facility designed to help individuals with disabilities obtain vocational training and extended employment.

The purpose of this project is to improve the web presence of this organization. Since the major priority of the site is to provide information for users from a variety of groups (e.g. consumers, industrialists, parents, and staff), closely following the WC3 compliances is very important.

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This Website is an HCCL & AUCHIL collaborationCreated by Philicity Williams, Chiaoching Huang, Xiaoming Li, Chao Wang, Shaoen Wu

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ReferencesReferences

Interaction Design by Preece, Sharp, Rogers

• http://www.4templates.com/view/web/• www.321Grahpics.comBad Web Sites• http://www.hcbelectric.com/• http://www.dontclick.it/• http://moonweed.free.fr/crystal_intro.html• http://www.theponusyachtclub.com/Donald Norman • http://www.jnd.org/dn.mss/affordances-and design.html• http://www.jnd.org/dn.mss/affordances-interactions.html

Introduction to User Interface Design & User Interface Issues Dr. Cheryl D. Seals Computer Science &...

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