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Evidence-Based Information, Training and Tools
for Optimizing the Usability of Computer Systems
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User Interface Update 2005
TABLE OF CONTENTS
DAY 1 Unit 1 - General Issues
Unit 2 - Displays
Unit 3 - Interactions
Unit 4 - A Pictorial Overview of Usability Issues
DAY 2 Unit 5 - Research Review
Unit 6 - Users
Unit 7 - Web-Related Usability Issues
Unit 8 - Usability Testing
OBJECTIVES, INTENDED AUDIENCE AND CRITERIA FOR ARTICLES COURSE OBJECTIVES: These advanced annual courses are designed to keep computer professionals up-to-date with the latest, most useful information concerning the design and development of high quality, professional user interfaces in computer systems. Each course is totally (100%) new each year! At the end of this seminar, participants should:
INTENDED AUDIENCE: The course is intended for computer professionals, including:
WHAT STUDENTS SAY …"One of the best courses I've ever taken! Don't change a thing." "You had a super mix of exercises that kept us fresh by using our brains differently." "The course materials were excellent. Good balance between lecture and relevant exercises." "This was a wonderful course. It was informative, up-to-date and entertaining." "I found the course very useful, despite the fact that I am not a technical person." "The course contained lots of good information for practical application." "I really appreciate Dr. Bailey treating us as 'peers' regardless of our experience in the field." "Again, thanks for a great three days. I don't know when I've enjoyed a class more." "I came last year and was watching for it this year." "This is a great collection of research that you compiled in a very readable way." "Another set of great insights from Dr. Bailey - he pulls it all together and makes it meaningful." "Great course! One of the few that is on my 'must attend every year' list."
CRITERIA FOR SELECTING ARTICLES
REFERENCES Albert, W.S. and Dixon, E. (2003), Is this what you expected? The use of expectation measures in usability testing, Proceedings of the Usability Professionals Association. Andre, T.S., Hartson, H.R. and Williges, R.C. (2003), Determining the effectiveness of the usability problem inspector: A theory-based model and tool for finding usability problems, Human Factors, 45(3), 455-82. Bailey, G.D., (1993), Iterative methodology and designer training in human‑computer interface design, Proceedings of InterCHI'93, 198. Bailey, R.W. (2003), ‘Concurrent’ vs. ‘retrospective’ comments, webusability.com, downloaded July, 2003. Bailey, R.W. (2005), Judging the severity of usability issues on websites, usability.gov, October. Bailey, R.W. (2004), Segmenting adult Web users into meaningful age categories, U.S. Government Usability University Presentation, July (Jointly sponsored by GSA, HHS and AARP). Bailey, R.W. (2002), The optimal line length for reading prose text: A survey of the literature, webusability.com. Bailey, R.W. and Koyani, S.J (2004), Searching vs. linking on the web: A summary of the research, Health and Human Services Technical Report. Bailey, R.W. and Wolfson, C. (2005), FirstGov usability test, Computer Psychology Technical Report, May 6. Bandos, J. and Resnick, M.L., (2004), The effects of semantic and syntactic instruction on users performance and satisfaction in search user interface design, Florida International University Proceedings of the Human Factors and Ergonomics Society Annual Meeting. Bangor, A. (2004), LCD vs. CRT: effects on performance of office work, Bangor SBC Laboratories, Inc. Baroudi, J.J., Olson, M.H. and Ives, B. (1986), An empirical study of the impact of user involvement on system usage and information satisfaction, Communications of the ACM, 29(3), 232-238. Becker, S.A. (2004), A study of web usability for older adults seeking online health resources, ACM Transactions on Computer-Interaction, Vol. 11, No. 4, December 2004, pages 387-406 Beckwith, L. (2005), Gender HCI Issues in Problem-Solving Software, CHI 2005 Proceeding. Bernard, M. and Larsen, L. (2001), What is the best layout for multiple-column web pages? Usability News. Branco, P., Firth, P., Encarnacao, M. and Bonato, P. (2005), Faces of emotion in human-computer interaction, CHI 2005 Proceedings. Barki, H. and Hartwick, J. (1991), User participation and user involvement in information system development, Proceedings of the 24th Annual Hawaii International Conference on System Sciences, 4, 487-492. Brush, A.J., Ames, M. and Davis, J. (2004), A comparison of synchronous remote and local usability studies for an expert interface, CHI 2004 Proceedings. Bojko, A. and Stephenson, A. (2005), Gaze paths it’s all in the eye of the user, User Experience, Spring 2005. Bowers, V. A. and Snyder, H. L. (1990), Concurrent versus retrospective verbal protocol for comparing window usability, Proceedings of the Human Factors Society 34th Annual Meeting, 1270-1274. Catani, M.B. and Biers, D.W. (1998), Usability evaluation and prototype fidelity: Users and usability professionals, Proceedings of the Human Factors and Ergonomics Society 42nd Annual Meeting, 1331-1335. Capra, M.G. (2002), Contemporaneous versus retrospective user-reported critical incidents in usability evaluation, Proceedings of the Human Factors and Ergonomics Society 46th Annual Meeting, 1973-1977. Chisnell, D. and Redish, J., (2004), Designing web sites for older adults: expert review of usability for older adults at 50 web sites, http://www.aarp.org/olderwiserwired/ February, 2005. Chadwick-Dias, A., Tedesco, D. and Tullis, T., (2004), Older adults and web usability: Is web experience the same as web expertise? CHI 2004 Proceedings. Chattratichart, A. and Brodie, J.B., (2004), Applying user testing data to UEM performance metrics, London Metropolitan University, CHI 2004 Proceedings. Chaparro, A., Bohan, M., Fernandez, J. E., Choi, S. D. and Kattel, B., (1999), The impact of age on computer input device use: Psychophysical and physiological measures. International Journal of Industrial Ergonomics, 24, 503-513. Chen, C. and Yu, Y. (2000), Empirical studies of information visualization: A meta-analysis, International Journal of Human-Computer Studies, (53), 851-866, http://www.idealibrary.com. Cockton, G., Lavery, D. and Woolrych, A. (2003). Inspection-based evaluations, in J.A. Jacko & A. Sears (Eds) The Human-Computer Interaction handbook: Fundamentals, evolving technologies and emerging applications, Lawrence Erlbaum & Associates, Mahwah, NJ. Cockton, G. and Woolrych, A. (2002), Sale must end: Should discount methods be cleared off HCI's shelves? Interactions, 9(5), 13-18. Cockton, G. and Woolrych, A. (2001), Understanding inspection methods: Lessons from an assessment of heuristic evaluation, Joint Proceedings of HCI 2001 and IHM 2001: People and Computers XV, 171- Cockton, G., Woolrych, A., Hall, L. and Hindmarch, M. (2003), Changing analysts’ tunes: The surprising impact of a new instrument for usability inspection method assessment, Proceedings of HCI-2003: People and Computers XVII, 145-161. Conrad, F., Couper, M., Tourangeau, R.and Peytchev, A., (2005), Impact of progress feedback on task completion: first impressions matter, University of Michigan CHI 2005 Proceedings. Cooper, A, (1999), The Inmates Are Running the Asylum: Why High-Tech Products Drive Us Crazy and How to Restore the Sanity, Indianapolis: Sams. Dumas, J., (2004), A comparison of usability testing and expert reviews-- CUE-4 --Oracle Corporation – 2004. Dumas, J.S., Molich, R. and Jeffries, R. (2004), Describing usability problems: Are we sending the right message, Interactions, July-August, 24-29. Ehret, B.D. (2002), Learning where to look: Location learning in graphical user interfaces, CHI 2002 Conference Proceedings, 211-218. Ewalt, D. M., (2002, February 25). ‘Web rage’ in real world. [Electronic version]. InformationWeek, 877 13. Findlater, M.L., and McGrenere, J., (2004), A Comparison of static, adaptive and adaptable, University of British Columbia, CHI 2004 Proceedings. Fogg, B.J. (May 2002). "Stanford Guidelines for Web Credibility." A Research Summary from the Stanford Persuasive Technology Lab. Stanford University. www.webcredibility.org/guidelines. Fogg, B.J., Marshall, J., Laraki, O., Osipovich, A., Varma, C., Fang, N., Paul, J., Rangnekar, A., Shon, J., Swani, P. and Treinen, M. (2001), What makes Web sites credible? A report on a large quantitative study, CHI 2001 Conference Proceedings, 3(1), 61-68. Foster, S.T. and Franz, C.R. (1999), User involvement during information systems development: A comparison of analyst and user perceptions of system acceptance, Journal of Engineering and Technology Management, 16, 329-348. Fu, L., Salvendy, G. and Turley, L. (2002) Effectiveness of user testing and heuristic evaluation as a function of performance classification, Behaviors & Information Technology, 21(2), 137-143. Fu, L., Salvendy, G., and Turley, L. (1998). Who finds what in usability evaluation, Proceedings of the Human Factors and Ergonomics Society 42nd Annual Meeting, 1341-1345. Garrett, S.K., Horn, D.B. and Caldwell, B.S., (2004), Modeling user satisfaction, frustration, and user goal/website compatibility, Proceedings of the Human factors and Ergonomic Society. Goodwin, K. (2001), Perfecting your personas, Cooper Interaction Design Newsletter, July/August. Goolkasian, P. and Foo P.W., (2002), Presentation format and its effect on working memory, Psychonomic Society Publications, 30 (7), pp 1096-1105. Halverson, T. and Hornof, A.J. (2004), Local density guides visual search: sparse groups are first and faster, Department of Computer and Information Science University of Oregon, Human Factors and Ergonomics Society. Hart, T.A., Chaparro, B.S. and Halcomb, H.C., (2004), Designing websites for older adults: The relationship between guideline compliance and usability software, Proceedings of the Human Factors and Ergonomics Society Annual Meeting. Hartson, H.R., Castillo, J.C., Kelso, J. and Neale, W.C., (1996), Remote evaluation: The network as an extension of the usability laboratory, CHI96 Proceedings, 228-235. Head, A. J. (2003), Personas: setting the stage for building usable information sites, Information Today/Online, Vol. 27 No. 4 – July/August 2003. Heinbokel, T., Sonnentag, S., Frese, M., Stolte, W. and Brodbeck, F.C. (1996), Don’t underestimate the problems of user centredness in software development projects: There are many, Behaviour & Information Technology, 15(4), 226-236. Hertzum, M. and Jacobsen, N.E. (2001), The evaluator effect: A chilling fact about usability evaluation methods, International Journal of Human-Computer Interaction, 13(4), 421-443. Hendry, D. G., Mackenzie, S., Kurth, A., Freya, S. and Larkin, J., (2004), Evaluating paper prototypes on the street, Spielberg University of Washington, CHI 2004 Proceedings. Jean-Michel Hoc, J-M and Leplat, J. (1883), Evaluation of different modalities of verbalization in a sorting task, International Journal of Man-Machine Studies, 18(3), 283-306. Hornof, A.J. and Halverson, T. (2003), Cognitive Strategies and Eye Movements for Searching Hierarchical Computer Displays, CHI 2003 Vol No. 5, Issue No. 1, 249-256. Ives, B. and Olson, M. (1984), User involvement and MIS success: A review of the literature, Management Science, 30(5), 586-603. Ivory, M.Y. and Hearst, M.A. (2002), Statistical profiles of highly-rated websites, CHI 2002 Conference Proceedings, 367-374. Jacobsen, N.E., Hertzum, M. and John, B. (1998), The evaluator effect in usability studies: Problem detection and severity judgments, Proceedings of the Human Factors and Ergonomics Society. Jansen, B.J. and McNeese, M.D., (2004), Evaluating the effectiveness of automated assistance for web searching, Pennsylvania State University, Proceedings of the Human Factors and Ergonomics Society Annual Meeting. Joseph, K.M., Knott, B.A. and Grier, R.A. (2002), The effects of bold text on visual search of form fields, Proceedings of the Human Factors and Ergonomics Society 46th Annual Meeting, 583-587. Kalbach, J. and Bosenick, T., (2003). Web page layout: A comparison between left and right-justified site navigation menus, Journal of Digital Information, 4(1). Kjeldskov, J. Skoy, M.B. and Stage, J., (2004), Instant data analysis: conducting usability evaluations in a day, Aalborg University NordiCHI 2004, Finland. Kingsburg, J.R. and Andre, A.D., (2004), A comparison of three-level web menus: navigation structures, Interface Analysis Associates San Jose, California, Proceedings of the Human Factors and Ergonomics Society Annual Meeting. Kjeldskov, J., Skov. M.B. and Stage, J., (2004), Instant data analysis: conducting usability evaluations in a day, NordiCHI 2004, Finland. Kjeldskov, J. Skoy, M.B. and Stage, J., (2004), Instant data analysis: conducting usability evaluations in a day, Aalborg University NordiCHI 2004, Finland. Klein, D., (1990), Foiling the cracker: A survey of, and improvements to, password security. Proceedings of the USENIX Security Workshop. Koyani, S., Ahmadi, M., Changkit, M., Harley, K. and Bailey, R.W. (2002), Older users and the web, Proceedings of the Human Factors and Ergonomics Society 46th Annual Meeting. Koyani, S.J., Bailey, R.W., Ahmadi, M., Changkit, M. and Harley, K. (2002), Older users and the Web, Kujala, S. (2003), User involvement: a review of the benefits and challenges, Behaviour & Information Technology, 22(1), 1-16. Larson, K., (July 2004), The science of word recognition, Advanced Reading Technology Microsoft Corporation. Law, E.L. and Hvannberg, E.T., (2004), Analysis of combinatorial user Effect in International usability tests, CHI 2004, Austria. Law, E.L. and Hvannberg, E.T., (2004), Analysis of Strategies for Improving and Estimating the Effectiveness of Heuristic Evaluation, NordiCHI 2004, Finland. Law, L-C and Hvannberg, E.T. (2002), Complementarity and convergence of heuristic evaluation and usability testing: A case study of a universal brokerage platform, Proceedings of the Second Nordic Conference on Human-Computer Interaction, 71-80. LeDoux, L.C., Connor, E. and Tullis, T., (2005), Extreme makeover: UI edition, measuring the benefits of user-centered design, Proceedings of the Usability Professionals Association Conference – 2005. Leportini, B., Andronico, P. and Buzzi, M., (2004), Designing search engine user interfaces for the visually impaired, National Research Council Pisa, Italy CHI 2004 Proceedings. Lergier, R. and Resnick, M.L., (2001), Task based analysis of Internet search output fields, In Usability Evaluation and Interface Design, Volume 1, M.J. Smith, G. Salvendy, D. Harris, and R.J. Koubek (Eds), Lawrence Erlbaum Associates: Mahwah, NJ. Li, Q. and Henning R. (2003), Integrating usability into use cases: An empirical study of user-centered object orientation, Proceedings of the Human Factors and Ergonomics Society 47th Annual Meeting, 759-763. Liao, C., Groff, L., Chaparro, A., Chaparro, B. S., and Stumpfhauser, L., (2000), A comparison of web site usage between young adults and the elderly, Proceedings of the IEA 2000/HGES 2000 Congress. Lightner, N.J. (2003), What users want in e-commerce design: Effects of age, education and income, Ergonomics, 46(1-3), 153-168. Mayer, R.E., (2001). Multimedia learning. Cambridge, UK: Cambridge University Press. McGee, M., Rich, A. and Dumas, J., (2004), Understanding the usability construct: user-perceived, Usability Oracle Corporation Proceedings of the Human Factors and Ergonomics Society Annual Meeting. McGrenere, J., Baecker, R., and Booth, K., (2002), An evaluation of a multiple interface design solution for bloated software, CHI letters, 4 (1), 163-170. McKeen, J.D. and Guimaraes, T. (1997), Successful strategies for user participation in systems development, Journal of Management Information Systems, 14(2), 133-150. Molich, R. (2005), www.dialogdesign.dk/cue.html. Molich, R., Ede, M.R., Kaasgaard, K. and Karyukin, B. (2004), Comparative usability evaluation, Behaviour & Information Technology, 23(1), January-February, 65-74. Nall, J. and Tofoya, S. (2004), Search engine usability test, Bailey, Wolfson and Bailey, 2004. Nielsen, J. (2003), The ten most violated homepage design guidelines, Jakob Nielsen’s Alertbox, November 10, 2003. Nielsen, J. and Mack, R.L. (1994), Usability Inspection Methods, John Wiley & Sons. Nordby, K, Raanaas, R.K. and Magnussen, S. (2002), The expanding telephone number: Part 1 - Keying briefly presented multiple-digit numbers, Behaviour & Information Technology, 21(1), 27-38. Norman, K.L. and Murphy, E.D., (2004), Usability testing of an internet form for the 2004 overseas enumeration test, University of Maryland, Proceedings of the Human Factors and Ergonomics Society. Ohnemus, K.R. and Biers, D.W. (1993), Retrospective versus concurrent thinking-out-loud in usability testing, Proceedings of the Human Factors Society 37th Annual Meeting, 1127-1131. Olsen, D.R. and Klemmer, S.R., (2005), The future of user interface design tools, CHI 2004 Proceedings. Page, C., and Rahimi, M. (1995), Concurrent and retrospective verbal protocols in usability testing: Is there value added in collecting both? Proceedings of the Human Factors and Ergonomics Society 39th Annual Meeting, 223-227. Pande, P. and Holpp, L., (2002), What is Six Sigma? McGraw-Hill: New York. Phuong, L.K., Vu, Tai, B.L. and Bhargav, A., (2004), Promoting memorability and security of passwords through sentence generation, Proceedings of the Human Factors and Ergonomics Annual Meeting. Porter, J. (2004). Testing the Three-Click Rule. User Interface Engineering, Retrieved January 15, 2004, from http://www.uie.com/Articles/three-click-rule.htm. Porter, P., (2001, March 12). Web rage! [Electronic version]. Design News, 57 (5), 9. Proctor, R. W., Lien, M. C., Vu, K.-P. L., Schultz, E.E., and Salvendy, G., (2002), Improving computer security for authentication of users: Influence of proactive password restrictions, Behavior Research Methods, Instruments, & Computers, 34, 163-169. Raanaas, R.K., Nordby, K., and Magnussen, S., (2002), The expanding telephone numer:age variations in immediate memory, University of Oslo, Norway, Behaviour and Information Technology, 2002, 21(1), 39-45. Redish, J. and Chisnell, D., (2004), Designing web sites for older adults: a review of recent research aarp.org/olderwiserwired December, 2004 Resnick, M.L. and Fares, C., (2004), Visualizations to facilitate online tabular presentation of product data, Florida International University Proceedings of the Human Factors and Ergonomics Society Annual Meeting. Rich, A., and McGee, M., (2004), Expected usability magnitude estimation, Proceedings of the Human Factors and Ergonomics Society Annual Meeting. Riddle, B. L., Miron, M. S., and Semo, J. A., (1989), Passwords in use in a university timesharing environment, Computers and Security, 8, 569-579. Rogers, B.L., and Chaparro, B., (2003), Breadcrumb navigation: further investigation of usage, Usability News. Rogers, W. A., Meyer, B., Walker, N., and Fisk, A. D., (1998). Functional limitations to daily living tasks in the aged: A focus group analysis, Human Factors, 40(1), 111-125. Rosenholtz, R., Li, Y., Mansfield, J., and Jin, Z., (2005), Feature congestion: A measure of display, CHI 2005 Proceedings. Sauro, J. and Kindlund, E., (2005), A method to standardize usability metrics into a single score, CHI 2005 Proceedings. Saxe, J. G., (1816-1887), The blind men and the elephant. Schroeder, W. (2003), Usability myths need reality checks, User Interface Engineering Newsletter, April, www.uie.com/Articles/usability_myths.htm. Sefelin, R., Tscheligi, M., and Giller, V. (2003), Paper prototyping – what is it good for? A comparison of paper-and computer-based low-fidelity prototyping, CHI 2003, 778-779. Selvidge, P. R. (2003). The effects of end-user attributes on tolerance for world wide web Selvidge, P. R., Chaparro, B. S., and Bender, G. T. (2002). The world wide wait: Effects of delays on user performance. International Journal of Industrial Ergonomics, 29, 15-20. Search Engine Watch., (2000), NPD search and portal site study, Retrieved from the World Wide Web on 24 February 2003 from http://www.searchenginewatch.com/sereport/00/07-npd.html. Search Engine Watch., (2001), Web top search rage study, Retrieved from the World Wide Web on 24 February 2003 from http://www.searchenginewatch.com/sereport/01/02-searchrage.html. Shaikh, A.D. and Chaparro, B.S., (2004), A survey of online reading habits of internet users, Wichita State University, Proceedings of the Human Factors and Ergonomics Society. Shai, C., and Chau, A., (2004). Effects of computer presentation format on learning in the elderly, Proceedings of the Human Factors and Ergonomics Society Annual Meeting. Silvers, T.J., Voorheis, C.M. and Anders, S.H., (2004), Rapid prototyping with Microsoft PowerPoint: page linking and animation, University of Dayton Proceedings of the Human Factors and Ergonomics Society. Slamecka, N. J. and Graf, P., (1978), The generation effect: Delineation of a phenomenon, Journal of Experimental Psychology: Human Learning and Memory, 4, 592-604. Somervell, J., and McCrckard, D.S., (2004), Comparing generic vs. specific heuristics: Illustrating a new UEM comparison technique, Proceedings of the Human Factors and Ergonomics Society. Soukoreff, R.W. and MacKenzie, I.Scott, (2004), Recent developments in text-entry error rate measurement, York University, Toronto, ACM Press. Steinbrück, U., Schaumburg, H., Duda, S. and Krüger, T. (2002), A picture says more than a thousand words: Photographs as trust builders in e-commerce websites, CHI 2002 Extended Abstracts, 748-749. Sullivan, D., (2001, Feb 5). WebTop search rage study. The Search Engine Report. Retrieved on February 2, 2004, from http://www.searchenginewatch.com/sereport/01/0 2-searchrage.html. Tan, W., Liu, D., Bishu, R. R., Muralidhar, A. and Meyer, J., (2001), Design improvements through user testing, Proceedings of the Human Factors and Ergonomics Society 45th Annual Meeting, 1181-1185. Thompson, K., Rozanski, E. and Rochester, H., (2004), Here, there, anywhere: remote usability testing that works, Institute of Technology SIGITE’04. Tullis, T., Fleischman, S., McNulty, M., Cianchette, C. and Bergel, M. (2002), An empirical comparison of lab and remote usability testing of websites, Proceedings of the Usability Professionals' Association Annual Conference, 32. Tullis, T.S. and Tedesco, D.P., (2005), Using personal photos as pictorial passwords, Fidelity Investments, CHI 2005 Proceedings. Uie., (2005), Usability Myths. www.uie.com/Articles/usability_myths.htm. Van Den Haak, M.J., De Jong, M.D.T., and Schellens, P.J., (2003) Retrospective vs. concurrent think-aloud protocols: testing the usability of an online library catalogue, Behaviour & Information Technology, 2003, Vol. 22, No. 5, 339-351. Virzi, R.A., Sorce J.F. and Herbert, L.B. (1993), A comparison of three usability evaluation methods: Heuristic, think‑aloud, and performance testing, Human Factors and Ergonomics Society 37th Annual Meeting, 309‑313. Vu, K. L., Tai, B., Bhargav, A., and Proctor, R.W., (2004), Promoting memorability and security of passwords through sentence generation, Proceedings of the Human Factors and Ergonomics Annual Meeting. Walker, M., Takayama, L. and Landay, J.A. (2002), High-fidelity or low-fidelity, paper or computer? Choosing attributes when testing web prototypes, Proceedings of the Human Factors and Ergonomics Society 46th Annual Meeting, 661-665. Wang, E. and Caldwell, B. (2002), An empirical study of usability testing: Heuristic evaluation vs. user testing, Proceedings of the Human Factors and Ergonomics Society 46th Annual Meeting, 774-778. Ward, S.J., Wogalter, M.S. and Mercer, A.W., (2004), Comprehension and training of international road signs, North Carolina State University Department of Psychology, Proceedings of the Human Factors and Ergonomics Society. Weinshall, D. and Kirkpatrick, P., (2004), Passwords you’ll never forget, but can’t recall, Hebrew University – Jerusalem, CHI 2004 Proceedings. Wright, R.B. and Converse, S.A. (1992), Method bias and concurrent verbal protocol in software usability testing, Proceedings of the Human Factors Society 34th Annual Meeting, 1285-1289. Woolrych, A. and Cockton, G. (2001), Why and when five test users aren’t enough, www.cet.sunderland.ac.uk/~cs0gco/fiveusers.doc. Zaphiris, P., Ghiawadwala, M, and Mughal, S. (2005), Age-centered research-based web design guidelines, CHI 2005 Proceedings. Ziefle, M., (2001), Aging, visual performance and eyestrain in different screen technologies, Proceedings of the Human Factors and Ergonomics Society 45th Annual Meeting, 262-266.
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Home Contact Dr. Bob Bailey at (801) 201-2002 or bob@webusability.com Copyright 2002 - 2005 |
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