Index_I

I

IBM's Joint Application Design (JAD), 468

ICQ, differentiation by, 25

IDC, 441

Identity cookies

defined, 407

expiration times, 407

session cookies vs., 407–408

user-based statistics using, 411–412

Identity design, 50–52

brand association and, 53

defined, 44

editorial voice for, 50

features and, 51

identity designer responsibilities, 51

information needs for, 51–52

tools, 52

user experience and, 44, 50–52

visual themes for, 50–51

Identity designers

information needs of, 51–52

responsibilities, 51

Impressions, 22

In-person surveys, 339–340

Incentives for research participants

choosing, 108–109

for contextual inquiry, 164–165, 166

costs, 76, 108

for diary studies, 381

no-shows and, 111

recruiting mistakes and, 110

for surveys, 328

Independent analysis, 440–441

Information architects

information needs of, 46–47

responsibilities, 45

Information architecture, 44–48

defined, 43

demographics for, 46

in Geocities Web hosting service, 44–45

implicit vs. explicit, 44–45

information architect responsibilities, 45

information needs for developing, 46–47

mental model for, 46–47

terminology for, 46

tools and techniques, 47–48

user experience and, 43, 44–48

user profiling and, 132

Web use profile for, 46

Information needs

of identity designers, 51–52

of information architects, 46–47

of interaction designers, 49

Informed consent statement

for focus groups, 219, 252

for usability testing, 277

Institutional caching of Web pages, 405–406

Instructions

email, for unstructured diary studies, 371–373

evaluation, for usability testing, 279–280

general, for surveys, 321–322

observer, for focus groups, 237–238, 539–550

observer, for usability tests, 291, 540–541

question, for surveys, 322–323

Interaction design, 48–50

audiences for, 49

defined, 44

information needs for, 49

interaction designer responsibilities, 48

task flows for, 49

tools, 49–60

user experience and, 44, 48–50

user interfaces and, 48, 49

user profiling and, 132

Interaction designers

information needs of, 49

responsibilities, 48

Interactions, contextual inquiry regarding, 172

Interactive Marketing Research Organization's Code of Ethics, 408

Interesting quotations section of reports, 493

Interfaces. See user interfaces

Internal discovery, requirement gathering using, 66

Internal traffic, removing hits from log files, 415

Internet Advertising Board Web site, 23

Internet resources

Advertising Board, 23

coding scheme, 400

coding software, 401

cookie-based session tracking information, 407

eye tracking equipment, 466

EZSort software, 197, 198

free research resources, 446–447

free Web survey tools, 325

independent analysis companies, 441

log analysis ethics, 408

log analysis tools, 415–416

mailing lists, 447

for professional recruiters, 113

specialist organizations, 449

usability blogs, 447

usability testing information, 267

for virtual usability tests, 464, 465

Internet use. See Web use

Interruption invitations for surveys, 337–339

Interviewer/interviewee model for contextual inquiry, 168

Interviewing, 117–127

artifacts in, 123–124

breaking the rules, 127

common problems, 124–126

composing nondirected questions for, 120–122

in contextual inquiry, 164, 170–171

defining terms, 122

dry runs for scripts, 118

listening to questions, 124

neutral interviewer for, 119–120

nondirected, 119–124

not forcing opinions, 122

observers for, 124

preliminary interview in usability testing, 277–279

restating answers, 123

reviewing tapes, 124

running a nondirected interview, 122–124

structure of interviews, 117–118

in task analysis, 184

usability testing combined with, 471–472

for user profiling, 134–135

using examples in, 123

videotaping interviews, 127

See also specific types

Introductions

in contextual inquiry, 169

in focus group discussion guide, 216–219, 251–252

in interviewing, 118

in surveys, 320

in telephone screener, 97–98

in usability testing script, 275–277

"Invisible Computer, The," 506

Invitations

for competitive research, 427

email, 336–337

interruption, 337–339

links for, 336

random selection JavaScript, 337–339

for research participants, 104–106

survey bias from, 334

for survey participants, 335–339

Issues

collecting from stakeholders, 59–60

presenting as goals, 60–61

in research plan example, 77–78

rewriting as research questions, 62–64

Iterative development

benefits, 32–34

corporate edict vs., 29, 30

creation step, 32

definition step, 31

examination step, 31

iterative spiral, 30–32

need for, 28

overview, 28–29

problems, 34–35

scheduling service example, 36–42

user research and, 35–36

waterfall method vs., 30