Toggle navigation Load unfinished survey You have completed 0% of this survey 0% Caution: JavaScript execution is disabled in your browser or for this website. You may not be able to answer all questions in this survey. Please, verify your browser parameters. default Kano model of users’ demands Dear Ms. / Sir: Hello, thank you for filling this questionnaire in your busy schedule! This is a KANO model questionnaire for the classification of e-cigarette users' demands. The purpose of the questionnaire is mainly to understand your choice for e-cigarette. Your answer will help to improve our products. Thank you for your participation! There are 36 questions in this survey. Next Load unfinished survey ×