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Household Telephone Service and Usage Patterns in the United states in 2004: Implications for Telephone Samples
Changes in the U.S. telephone system, especially the rapid growth in the prevalence and use of cell phones, raise concerns about undercoverage error in random digit dial (RDD) telephone samples. A supplement to the Current Population Survey (CPS) was conducted in 2004 to examine telephone service and usage in U.S. …