FOCUS GROUPS
Generally 8 respondents per group.
MINI GROUPS
Generally 5 respondents per group
Paired interviews
Groups of 3 / 2 respondents
F2F IN-DEPTH INTERVIEWS
Face to Face one-to-one interviews known as IDIs.
TELEPHONE IN-DEPTH INTERVIEWS
One to one interviews known as TDIs
ACCOMPANIED SHOPPING TRIPS
Respondents accompanied by a moderator in one to one sessions during a shopping trip