John Chen, Jun

user experience user study usability test design recommendation mobile phone chinese text input ux usability about face 3 market research wap usability ui design usability techniques neuroreport sci thesis mobile banking china online banking online banking user expected abrasion mobile phone usage non-literates field study chinese illiterates illiterates half illiterates xiaonei onsite interview mobile sns kaixin mobile client local chinese social services benchmark test virtual 12 key keypad benchmark mobile text input user research