Index_E

E

Efficiency, 252–253

Electronic banking, 253

Electronics:

automobile, 192–193

consumer electronics industry, 249

Email, 230

Emotional effect, 254, 257–259

Emotional end-user needs, 97–98

Empathy (in design), 258

Engineering solutions, 133–134

(See also Usability engineering)

English, in screen menu, 64–66

Entertainment services (see Mobile Media and Entertainment Services project)

Ergonomics, 37

Ericsson, 34n., 286, 287

Error rate, 252–253

Ethnographic research methods, 100

Ethnography, 126

Expectations, user, 92–93, 220

Experiencers, 19

Expert knowledge, 134

during design phase, 148

for teams, 145

for usability engineering, 235–237

Expression phones, 17, 18

control keys for, 21

features for, 21, 25

functionality in, 25

“Extras,” 12–13