SERVICES:

We provide the following expertise to our clients:

• Advice on all aspects of surveys and analysis
• Questionnaire construction
• Collection of survey data using a computer-assisted-telephone-interviewing (CATI) system
• Report preparation
• Data analysis

The Center obtains interviews with randomly selected samples of respondents based on any number of geographic or demographic characteristics.

For general population surveys we employ random digit dialing (RDD) with randomly selected samples of respondents based on any number of geographic or demographic characteristics. These computer generated telephone numbers include both listed and unlisted phone numbers. RDD sample frames for any region of the United States are available.

Our goal is to provide the highest quality survey data for the needs of our clients. This is reflected in the procedures we use to obtain interviews and the training of our interview staff. We work to ensure that the critical variable of survey response rate is as high as possible.

The Center is a full-time operation where interviews are conducted during day, evening and weekend hours. This allows our interviewers to contact hard-to-reach respondents, a procedure crucial to producing high quality survey data. In addition, all "no answer" telephone numbers are called a number of times at varying hours of the day, including weekends. We also re-contact all initial refusals.

These procedures help to maximize response rate and thus, the overall quality of the study.

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