A Reassessment of List-Assisted Rdd Methodology

Random digit dial (RDD) sampling methodology was developed over two decades ago when local telephone exchanges used 100-series telephone banks as physical building blocks for telephone number assignment. During the intervening decades the telecommunication industry has undergone a number of fundamen...

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Bibliographic Details
Published in:Public opinion quarterly 2009, Vol.73 (4), p.751-760
Main Authors: Fahimi, Mansour, Kulp, Dale, Brick, J. Michael
Format: Article
Language:English
Subjects:
Banking
Bricks
Cell phones
Cost efficiency
Cost estimates
Design efficiency
Efficiency
Evaluation
Methodology
Public opinion
Sampling
Sampling bias
Statistical variance
Studies
Surveys
Technological change
Telecommunications
Telephone
Telephone banking
Telephone numbers
Telephones
U.S.A
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Summary:Random digit dial (RDD) sampling methodology was developed over two decades ago when local telephone exchanges used 100-series telephone banks as physical building blocks for telephone number assignment. During the intervening decades the telecommunication industry has undergone a number of fundamental changes that have had drastic effects on the efficiency and coverage of RDD samples. Based on a new study of landline telephone numbers, which was conducted during the second quarter of 2008, this paper reexamines the assumptions that are relied upon for construction of list-assisted RDD samples; quantifies the extent of undercoverage in the corresponding sampling frames; investigates alternative methods of frame construction for RDD samples; and evaluates other sample design options that can offer greater coverage with varying degrees of efficiency.
ISSN:0033-362X
1537-5331
DOI:10.1093/poq/nfp066