Index_C

C

C (clear) key, 76

Calendars, 107

Call lists, 260-261

Call menu, 62-63

Calling-line identification (CLI), 104

'Calling party pays' (CPP) charging, 99

Car user interfaces, 191-207

creating simulations of, 199

design challenges with, 199-200

driving simulators for, 205-206

prototypes of, 199

regulation of, 193

'Steering Wheel' project for, 193-207

for text entry, 201-205

time as critical factor in, 195-196

Carroll, John, 233

CDMA (see Code Division Multiple Access)

Cellular standards, 17, 26

Change (as research theme), 125

Chinese, in screen menu, 65, 66

Choices, complexity of, 254-255

Classic phones, 17, 18

control keys for, 21

features for, 21, 25

functionality in, 25

Clear (C) key, 76

CLI (calling-line identification), 104

Code Division Multiple Access (CDMA), 17, 286

Cognitive load, 164

Cognitive walkthroughs, 117

Color(s):

culture-dependent meanings of, 98

displays, color, 40

Command UI, 50

Committees, 145

Communication, 93, 113-116

conventions in, 5-6

digital tools as shapers of, 127

of research results, 109-110

Competition, design, 147-148

Complexity, 255-256

Compression (in text messages), 115

Concept creation, 140

competition in, 147-148

testing during, 149

Conference calls, 104-105

Connection reliability, 221

Consistency management, 152-153

Consumer electronics industry, 249

Consumer segments, 16-19

Consumer studies, 113-128

communication phenomena in, 113-116

context-free vs. context-sensitive factors in, 124-126

context in, 120-121

methods for, 126-127

product development applications of, 127-128

segmentation of users in, 121-122

and social dimension of products, 122-124

sociology in, 117, 120

usability factors in, 116-117

Content presentation quality, 221

Contexts (of phone use), 120-126

Contextual design/research approach, 136

Contextual inquiry method, 101, 126

Contextual knowledge, 92, 109

Contextual user needs studies, 126

Control device proliferation, 40-41

Control keys, 21

in Navi-key style, 24

and perceived usability, 25

in Series 30, 23

style of, 21

Controllers, 18

Conventions, 5-6, 20, 40

Costs of use, 223

CPP ('calling party pays') charging, 99

Critical use cases, 173

Cultural artifacts, 122

Cultural differences, 26, 93-94, 149

Cultural end-user research, 94, 97-110

communicating results of, 109-110

contextual inquiry method for, 101

ethnographic methods for, 100

and functional vs. emotional needs, 97-98

in India, 97-110

language issues in, 108

local help in, 101

multidisciplinary team for, 100, 101

observation of phenomena in, 102-108

phases of, 99

Cultural research, 126

Cultural sociology, 117, 120

Culture:

meaning of, 126

as research theme, 125

Customer needs, 29