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- Random_digit_dialing abstract "Random digit dialing (RDD) is a method for selecting people for involvement in telephone statistical surveys by generating telephone numbers at random. Random digit dialing has the advantage that it includes unlisted numbers that would be missed if the numbers were selected from a phone book. In populations where there is a high telephone-ownership rate, it can be a cost efficient way to get complete coverage of a geographic area.RDD is widely used for statistical surveys, including election opinion polling and selection of experimental control groups.An important consideration in random digit dialing surveys is bias introduced by non-responders. Non-response bias can be a problem if responders differ from non-responders for the measured variables. For example, nonresponders may not have been contacted because they work multiple minimum-wage jobs. Various techniques are used to reduce the non-response rate, such as multiple call attempts, monetary incentives, advance letters, and leaving messages on answering machines, because reducing the non-response rate may directly reduce non-response bias. In addition, when trying to calculate total error estimates, response rate calculations can be imprecise because it can be difficult to determine whether certain telephone numbers are interviewable.When the desired coverage area matches up closely enough with country codes and area codes, random digits can be chosen within the desired area codes. In cases where the desired region doesn't match area codes (for instance, electoral districts), surveys must rely on telephone databases, and must rely on self-reported address information for unlisted numbers. Increasing use of mobile phones (although there are currently techniques which allow infusion of wireless phones into the RDD sampling frame), number portability, and VoIP have begun to decrease the ability for RDD to target specific areas within a country and achieve complete coverage.".
- Random_digit_dialing wikiPageID "7729277".
- Random_digit_dialing wikiPageLength "3991".
- Random_digit_dialing wikiPageOutDegree "15".
- Random_digit_dialing wikiPageRevisionID "679032257".
- Random_digit_dialing wikiPageWikiLink Area_code.
- Random_digit_dialing wikiPageWikiLink Auto_dialer.
- Random_digit_dialing wikiPageWikiLink Autodialer.
- Random_digit_dialing wikiPageWikiLink Category:Evaluation_methods.
- Random_digit_dialing wikiPageWikiLink Country_code.
- Random_digit_dialing wikiPageWikiLink Election.
- Random_digit_dialing wikiPageWikiLink Electoral_district.
- Random_digit_dialing wikiPageWikiLink Experimental_control.
- Random_digit_dialing wikiPageWikiLink Local_number_portability.
- Random_digit_dialing wikiPageWikiLink Opinion_poll.
- Random_digit_dialing wikiPageWikiLink Opinion_polling.
- Random_digit_dialing wikiPageWikiLink Phone_book.
- Random_digit_dialing wikiPageWikiLink Random_number_generation.
- Random_digit_dialing wikiPageWikiLink Scientific_control.
- Random_digit_dialing wikiPageWikiLink Statistical_survey.
- Random_digit_dialing wikiPageWikiLink Survey_methodology.
- Random_digit_dialing wikiPageWikiLink Telephone.
- Random_digit_dialing wikiPageWikiLink Telephone_directory.
- Random_digit_dialing wikiPageWikiLink Telephone_number.
- Random_digit_dialing wikiPageWikiLink Telephone_numbering_plan.
- Random_digit_dialing wikiPageWikiLink VoIP.
- Random_digit_dialing wikiPageWikiLink Voice_over_IP.
- Random_digit_dialing wikiPageWikiLinkText "RDD".
- Random_digit_dialing wikiPageWikiLinkText "Random Digit Dial".
- Random_digit_dialing wikiPageWikiLinkText "Random Digit Dialing".
- Random_digit_dialing wikiPageWikiLinkText "Random digit dialing".
- Random_digit_dialing wikiPageWikiLinkText "random digit dialing".
- Random_digit_dialing hasPhotoCollection Random_digit_dialing.
- Random_digit_dialing wikiPageUsesTemplate Template:Cite_paper.
- Random_digit_dialing wikiPageUsesTemplate Template:Reflist.
- Random_digit_dialing subject Category:Evaluation_methods.
- Random_digit_dialing hypernym Method.
- Random_digit_dialing type Software.
- Random_digit_dialing type Method.
- Random_digit_dialing comment "Random digit dialing (RDD) is a method for selecting people for involvement in telephone statistical surveys by generating telephone numbers at random. Random digit dialing has the advantage that it includes unlisted numbers that would be missed if the numbers were selected from a phone book.".
- Random_digit_dialing label "Random digit dialing".
- Random_digit_dialing sameAs Random_Digit_Dialing.
- Random_digit_dialing sameAs m.026b4wj.
- Random_digit_dialing sameAs Q2130735.
- Random_digit_dialing sameAs Q2130735.
- Random_digit_dialing wasDerivedFrom Random_digit_dialing?oldid=679032257.
- Random_digit_dialing isPrimaryTopicOf Random_digit_dialing.