Image of How Too Little Can Give You a Little Too Much : Determining the Number of Household Phone Lines in RDD Surveys

Journal Articles

How Too Little Can Give You a Little Too Much : Determining the Number of Household Phone Lines in RDD Surveys

Accurately assessing the number of household phone lines in random-digit dialed (RDD) surveys for use in
weighting has become more complicated over time. This study evaluates phone line weighting by asking an
in-depth battery of seven questions designed to measure the number of available land lines in the home more precisely.
The results show that this weighting correction is not so simple, and that inadequately parsing the type and use of household phone numbers produces an inaccurate weight. Failing explicitly to remove irrelevant phone numbers, especially cell phones, produces a larger-than-appropriate weighting adjustment. Potentially more important on a practical level is that, when done correctly, and even when "overdone," phone line weighting had little impact across a diverse set of opinion and demographic variables.

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Detail Information
Series Title
Public Opinion Quarterly
Call Number
-
Publisher
Oxford : Oxford University Press.,
Collation
-
Language
English
ISBN/ISSN
0033-362X
Classification
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Content Type
-
Media Type
-
Carrier Type
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Edition
Vol. 72, No. 1, Page 114-124
Subject(s)
Random-Digit Dialing (RDD)
Specific Detail Info
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Statement of Responsibility
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