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FAST (function analysis system technique), 191
Feature audit, 425
Features
affect on business goals, 58
choosing for usability testing, 260, 268–270
in competitive profiles, 423, 424–426
as competitive survey topic, 431
creating tasks for, 270–275
focus groups for prioritizing, 206, 233
identity design and, 52
prioritization exercise, 269
surveys for prioritizing, 355
usage survey questions, 308
Fielding a survey
bias reduction, 333–335
defined, 328
invitations, 335–339
sample and sampling frame, 328–331
sample size, 331–333
telephone, in-person, and mail surveys, 339–340
First impressions in usability testing, 280–281
5% standard error, 332
Flexibility, as iterative development benefit, 32–33
Flow models, 180
Focus Groups, 202, 213, 215, 240
Focus groups
analysing data, 240–248
asking questions, 232–233
assistant moderator, 228–229, 239
benefits and pitfalls, 70
bias in, 210–211, 247
breaks, 232
capturing initial hypotheses, 241
coding comments, 242–243
collecting data, 240–243
common problems, 233–236
competitive, 67, 206, 428
conducting, 223–238
defined, 201
diaries combined with, 469–471
discussion guide for, 214–223, 251–257
dominant participants, 235
ejecting participants, 238
emotional topics, 236
example, 248–257
exploratory, 205–206
extracting trends, 243–246
faulty assumptions, 233
for feature prioritization, 206, 233
friction groups, 463–464
group think, 233
hiring experts, 239–240
hostility in, 235–236
for identity design, 52
for interaction design, 49–50
in iterative development cycle, 36
latecomers, 233–234
limitations of, 204–205
making hypotheses, 247–248
moderating the discussion, 229–232
moderators, 227–228, 239
nominal group technique, 462–463
number of groups, 213
observer instructions, 237–238, 539–540
observers, 224–225, 236–238, 239
offensive ideas from participants, 236
online, 461
overly talkative participants, 234–235
overview, 69–70, 201–202
participant knowledge about, 211–212
physical layout, 223–226
prescreening participants, 210–211
proof and, 205
quantitative analysis of data, 246
questions, guidelines for, 215–216
quiet participants, 234
recruiting for, 211–213
for requirement gathering, 67
in research plan example, 81
reticent, 234
schedule for, 207, 208
scheduling service example, 38, 40–41, 42
scope of research, 207, 213–214
seating order, 224
size of groups, 213–214
as survey follow-up, 357
surveys combined with, 472–473
surveys vs., 204
tangents, 235
target audience for, 207, 209–211
telephone, 460–461
time requirements, 76
timing for, 201, 203
tips, 238–239, 246
topics, 207–208, 214, 236
transcribing data, 242–243
for trend explanation, 204–205, 207, 247
types of, 205–207
unqualified participants, 235, 238
usability testing vs., 204
uses for, 201–204
videotaping, 225–226
virtual, 460–461
Focus Groups as Qualitative Research, 209
Follow-up interview in contextual inquiry, 164, 170–171
Follow-up questions for surveys, 318–319
Food and drink for focus groups, 224
Forrester Research, 441
Fraser, Janice, 506
Frequency, importance vs., 181
Friction groups, 463–464
Friends and family recruiting
focus groups and, 211
as starting point, 88
for user advisory boards, 386
Friends and family usability test, 9–15
analyzing results, 14–15
creating tasks, 11–12
defining the audience and their goals, 10–11
major steps in, 10
recruiting, 12–13
running the test, 13–14
uses for, 9, 15
Function analysis system technique (FAST), 191
Functionality
communicating through tone, 26–27
as success criterion, 18, 19
total malfunction vs. mediocrity, 18
of Web surveys, 325
See also efficiency; usability
Future, not asking people to predict, 125
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