By Willem Egbert Saris
Geared toward assisting researchers to enhance their data's caliber, Computer-Assisted Interviewing helps readers determine the chances and problems which come up in computer-assisted interviewing. the writer annotates samples of tangible examine questionnaires in order that readers can examine the standard paper questionnaire opposed to the additional statements wanted for clear computer-assisted interviewing. moreover, the publication contains an outline of the real positive aspects to contemplate if one desires to buy a CADAC software.
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Extra info for Computer-Assisted Interviewing (Quantitative Applications in the Social Sciences)
With these dates fixed in the calendar, it has been suggested that other activities, such as visits to the doctor, purchases, or other behavior, can be located more precisely in time (Loftus and Marburger, 1983). Summary and Correction Screens A similar tool to improve the quality of the data in self-administered interviews is the summary and correction screen, or SC screen. In Chapter 1, we mentioned that CADAC has the disadvantage that respondents and interviewers face the problem that the answers are typed on the keyboard but the questions are presented on the screen, which might lead to errors in the responses.
Keeping Up the Pace of the Interview A very important aspect of interviewing, especially of telephone interviewing, is that there should only be a very short time between questions. If the delay is more than a few seconds, respondents can get annoyed and withdraw their cooperation or reduce it to the minimum (House, 1985). This can have very negative effects on the quality of the data. The speed with which the interviewer can move from one screen to the next depends on (a) the quality of the hardware and software, (b) the activities that are organized between two questions, (c) the layout of the screens, (d) the difficulty the interviewer has with corrections, and (e) the flexibility of the questionnaire or program in the event of serious problems arising.
The introduction of the notebook computers in the near future will considerably reduce this problem. In the long run, it is not impossible that this situation also will improve for CATI systems, if drastically different telephone networks (ISDN) are introduced that will allow pictures to be transmitted from the interviewer to the respondent at a speed of 64 KB per second. There is even a possibility of a system (broadband-ISDN) that is 10,000 times faster (Gonzalez, 1990). These developments suggest that in the future, the problem of the visual aids will be solved for CAPI as well as CATI; however, at the moment one has to recognize that the problem of complex questions and instructions exists in interviewer-administered interviews.