Quality Control Assurances
Researchers at the SESRC make steps to provide quality data assurances their top priority. All telephone interviewers at SESRC receive at least 8 hours of training in proper interviewing techniques before they proceed with actual telephone interviews. Additionally, all interviewers receive approximately four hours of specific training on each new survey.
Five percent of telephone interviews are monitored by supervisory personnel, who are able to listen to interviews on the telephone and view on a computer screen as they are being conducted. The monitoring process focuses on the interviewer's use of probing and feedback phrases, accuracy in reading questions and recording responses, rapport with respondents, and ability to persuade respondents to complete the interview. Immediate feedback is given to each interviewer who is monitored.
All survey instruments at the SESRC, whether telephone interviewing scripts, postal mail surveys or questionnaires presented over the World Wide Web, are subjected to rigid review by professional survey research staff. In addition, all survey instruments at the SESRC go through pre-testing protocols that simulate actual survey conditions before being treated to the survey population.
Code books are developed at the SESRC for all mail surveys. The codebooks are used by trained survey coders to handle consistent keypunching of anomalous response data. After the coding process, postal mail surveys are keypunched into the SESRC's SQL databae and then re-keyed by our 100% verification process in order to catch data entry errors.
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Data Collection Services
The SESRC speciallizes in collecting data. Click on each mode below to find out what we do best.
Telephone Surveys
Mail Surveys
Internet Surveys
Focus Groups
Mixed Mode Surveys