This title is quite famous since it tell us about the telephone… hmmmmmmmm.. did you know that the rise to prominence of surveys by telephone technology, improved telephone research procedures, and the nearly complete accessibility of any population via telephone.
Let’s think about…
Today’s increased demand for survey data means that greater attention to all facets of survey design, particularly respondent selection, is required. As survey results are being used more and more for precise estimates of population characteristics, rather than predicting “ballpark figures” or getting a sense” of dispositions, great care must be taken to select respondents in such a fashion that that each has the same chance of selection and that sampling error is minimized.
Currently, there is a wide variety of sampling designs in use for telephone surveys. These designs in use for telephone surveys. These designs vary in the extent to which they implement probability sampling procedures, depend on random number usage, utilize available lists such as the telephone directory or cross-reference directory, and depend on local telephone companies for information. These designs can be categorized into those that depend on the telephone directory or another available list as a sampling frame and those based on some version of random digit dialing.
However………………..
There are some factors that contributing to the increased use of telephone survey techniques:
1) the widespread distribution of telephone
2) the development of a wide array of research on all aspects of conducting telephone surveys
3) lowered acceptance of traditional methods
4) developments in telephone technology and telephone interview technology
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