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Random digit dialing (RDD)
Sampling participants based on the generation of a random dialing of telephone numbers.
Recent Clients:
- City of Detroit Senior Services Department
List based
Sampling participants based on a list.
Recent Clients:
Case control sampling
Recruiting participants based on certain demographic characteristics.
Recent Clients:
- University of Michigan School of Public Health/
- Department of Epidemiology
Stratified and clustered
Sampling participants from mutually exclusive subgroups or clusters.
Recent Clients:
- Urban Institute, Macomb Community College
Respondent recruitment
Recruiting participants from the general population or from a specific group.
Recent Clients:
- Wayne State University Department of Community Medicine
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