Abstract
Robert J. Casady and James M. Lepkowski (1993) "Stratified Telephone Survey Designs," Survey
Methodology, Vol.IXX.1, pp.103-113.
Two stage random digit dialing procedures as developed by
Mitofsky and elaborated by Waksberg are widely used in
telephone sampling of the U.S. household population. Current
alternative approaches have, relative to this procedure,
coverage and cost deficiencies. These deficiencies are
addressed through telephone sample designs which use listed
number information to improve the cost-efficiency of random
digit dialing. The telephone number frame is divided into a
stratum in which listed number information is available at
the 100-bank level and one for which no such information is
available. The efficiencies of various sampling schemes for
this stratified design are compared to simple random digit
dialing and the Mitofsky-Waksberg technique. Gains in
efficiency are demonstrated for nearly all such designs.
Simplifying assumptions about the values of population
parameters in each stratum are shown to have little overall
impact on the estimated efficiency.
Last Modified Date: July 19, 2008
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