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Pilot study can be conducted with various goals: testing the main hypotheses of the program, identifying the individual characteristics of the object to determine the most stable for further in-depth development, the elucidation of the effectiveness of the methodology as a whole or its individual parts, the preliminary validation of the survey results, etc.There are various forms of carrying out the pilot study. It can be performed on small and large samples. If required by the research program, the piloting of the questionnaire can take place with a large representative sample. In essence this flying sometimes acts as an independent empirical study, which takes no less time and effort than primary research.However, usually a pilot study is conducted on a small array. The exact number surveyed in this case is not being identified because in each case it may be different. Practice shows that the number of respondents is often not to exceed 50-100 people. This number of respondents is enough to solve the challenges facing a pilot study. A necessary condition is that the object of study should be those people who are its main characteristics correspond to the main object of study. In this pilot survey is conducted on the main object, and on another field, similar in its characteristics to the main one. This is done in order not to spoil the main "field" research, as any, even the smallest study gets the attention, and one way or another can have an impact on the main study. So, if the main object of study are the workers of industrial enterprises in the pilot survey, the object must become industrial workers too, but the other entity.A very important procedure for conducting pilot survey. Despite the fact that the questionnaire is prepared for the correspondence of the survey in the pilot study it is better to present a formal interview. The advantage of formal interviews is that, in addition, that the results of the pilot survey will be analyzed in the totality of the answers it gives and direct observation of interviewers during the reaction of respondents to a particular question and the whole questionnaire in General. As interviewers are most often members of the research team or specially trained for this people. At the end of the survey interviewers write small reports on the results of each interview. Such written reports, although takes a lot of time and effort and enjoyable not every interviewer, but play a significant role in the pilot study. They are of great interest as a document of direct observations, and analysis is extremely important to finalize the questionnaire. Here's how describes his impression of the survey in the pilot study, one of the interviewers.
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