Probing: A dangerous practice in social surveys?

It is widely accepted among survey researchers that the use of probes by their interviewers can lead to more intelligible, more complete, and more easily coded answers from respondents. Yet it is not hard to find examples of the use of probes in the survey research literature that have failed to produce demonstrably better data. Since the poor codability of respondents' answers is the product of a number of factors, merely training interviewers to be more skilful in their use of probes is unlikely to significantly improve the quality of survey data. If probes are to be used, they should be both standardized and used systematically. It would be better, however, to try to eliminate the need for interviewers to have to use probes. Two positive steps the researcher can take in this direction are: to define key terms properly, and to specify the response frameworks that respondents should adopt when formulating replies to particular questions.