Telephone
Computer Assisted Telephone Interviewing (CATI)
Computer Assisted Web Interviewing (CAWI)
In-home:
Face to face interviewing (in-home)
Street:
Street intercept Interviewing.
Facility / hall:
Central location interviewing and tests.
Ethnographic:
In-home - On-street - In-car observations / Test drives
Qual:
Focus groups
In-depth interviews ( One on ones - Dyads - Triads )
On-line groups / On-line communities