INDEX Usability (continued) problem, 100 standards , 114­115 1st Playable Productions , 30 testing , 41 , 283 types of , 31 Useful patterns , 315 User emotional state , 228­231 feedback, 151­156 interface, 104 testing practices , 159­163 User experience design (UX) , 319 User research initiatives , 19 methods used to conduct , 20 tasks , 19 in videogame industry, organizational challenges for , 7­25 UX . See User experience design (UX) Website Forum , 160 Wedding Dash , 162­163 West Virginia State University , 377 What Games Have to Teach Us about Learning and Literacy , 145 Wii , 150­151 , 355 Wii sports, 329 Wixon, Dennis , 37 Workflow Easy Fun, 330­332 novelty and familiarity , 331­332 Hard Fun, 326­328 People Fun , 339­341 Serious Fun , 335­336 cognitive identity and utility , 336 visceral engagement , 335­336 Working prototypes, evaluation, 96 X Xbox , 360, 255 , 273 Xbox Live Arcade (XBLA) , 57 trial of, 57­61 XEODesign, 317 V Validation of facial EMG , 192­193 VCS-console, Atari , 16