Concept information
Preferred term
random-digit dialing
Definition
- Random-digit dialing (RDD) is a method used to select participants for telephone surveys and for related purposes such as selecting control group subjects in case-control studies. The basis of RDD is the random generation of telephone numbers that are used to contact potential survey respondents or study participants. [Source: Encyclopedia of Epidemiology; Random-Digit Dialing]
Broader concept
Belongs to group
URI
http://data.loterre.fr/ark:/67375/N9J-BV3LX7JL-C
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