Is There any Difference Between the Results of the Survey Marked by the Interviewer and the Respondent?

Abstract

Systematic errors can significantly affect the results of research. Interviewer errors and respondents (participants) errors constitute a large portion of systematic error sources. The purpose of this study is to show whether there is a difference between the results of the questionnaire marked by the respondent and the results of the questionnaire marked by the interviewer. For this purpose, the responses of 150 participants to the questionnaire were compared and analyzed. The findings of the analyze reveal that there is a difference between the results of the questionnaire marked by the interviewer and the results of the questionnaire marked by the respondent. Another result is that the reliability of the questionnaire data marked by the interviewer is lower than other group. This study is part of a research carried out with the support of The Scientific and Technological Research Council of Turkey (TUBITAK – 115K155) and the results provide preliminary information.