random digit dialing 예문

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1. An important consideration in random digit dialing surveys is bias introduced by non-responders.
2. Similarly, households with more than one telephone line have a greater chance of being selected in a random digit dialing sample, and weights can adjust for this.
3. MTM survey households are selected by Random Digit Dialing ( RDD ) and the respondent within each household is randomly selected based on the most recent birthday method.
4. A computer uses random digit dialing to create phone numbers from a list of all telephone exchanges, which allows unlisted numbers to be called as well as listed numbers.
5. Along with Joseph Waksberg, Mitofsky is credited with developing an efficient method of sampling telephone numbers using random digit dialing, which has since been widely adopted as a sampling method.