Consumer Research

Qualitative Research

Quantitative Research

²  Second data collection

²  In-depth interviews

²  Focus group

²  Observation method

²  Expert prediction (Delphi)

²  Online research

²  Central location testing

²  Street intercept interviews

²  To-door interview

²  Computer Assisted Telephone interview（CATI）

²  Computer Assisted Personal interview（CAPI）

²  Mystery shopping

²  DM research