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534 Index

Usability testing (Continued) Firefox proxy configuration, 342f
usability laboratory, portable, 277f, 279 log entries, 342f
user populations, 272, 276 Webcam video, 413
validation test, 272 Web Content Accessibility Guidelines
variations on, 293–294 (WCAG), 269–270
User-based test. See Usability testing Web log analysis, 330–331, 415
User Experience (UX), 283b empirical studies, 335–338
User research, 263, 265, 281, 284, 284f, log contents, 331–333, 332f
294–295 simultaneous vs. sequential menus,
User satisfaction, 265, 288 336b, 336–337f
UX Researchers and Accessibility, web usability/design research,
281–282 333–335
Web log contents, 331–333, 332f
V Web proxies, 339–344, 342f
Validity, 314–316 WebQuilt visualizations, 357f
construct/factorial validity, 315 Web server logs, 334–335
criterion validity, 315 Web usability/design research, 333–335
database construction, 315 Wii remote, 377
face validity, 314–315 Wilcoxon signed-rank test, 96–97, 97t
Virtual ethnography, 252–256 Within-group design, 49–52, 50f
advantages and disadvantages, 51–52,
W 52t
Wald-Wolfowitz runs test, 96 vs. between-group design, 52
Wall-sized display, 379, 380f choosing, 54–55
Web Accessibility Initiative, 269–270 Wizard-of-Oz method, 47, 294
Web access logs, 333 Workload, 375
Web bookmarks, 338
Web browser Y
caches, 335 Yahoo User Night, 281b