random digit dialingの例文

• An important consideration in random digit dialing surveys is bias introduced by non-responders.
• 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.
• 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.
• 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.
• 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.
• To calculate these weights, comScore regularly recruits panelists using random digit dialing and other offline recruiting methods to accurately determine how many users are online, aggregated by geography, income, and age.
• In recent decades, this has been accomplished by " random digit dialing, " in which a computer selects area codes and exchanges and then makes up the last four digits at random to form complete telephone numbers.
• He remained with the company after the sale, but in 1977 left to start a new company, Three Sigma Research, in Larchmont, N . Y . After a few years in business, he sold the new company, which did important early work in random digit dialing, another marketing research technique, to Simmons Market Research.