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http://dx.doi.org/10.12652/Ksce.2014.34.6.1837

Designing Questionnaires for Better Reliable Survey: Case Study of Using Railway Safety Culture Survey Data  

Lim, Kwangkyun (Transportation Safety Authority)
Kim, Sigon (Seoul Nat'l Univ. of Science and Technology)
Publication Information
KSCE Journal of Civil and Environmental Engineering Research / v.34, no.6, 2014 , pp. 1837-1844 More about this Journal
Abstract
The study of safety culture estimate has received a wide attentions in many other industries, rather in the contexture of railroad stands at an initial phase. A factor analysis and internal reliability test were conducted to check if the survey results are reliable by looking at how the factors are dimensioned and how the questionnaires are sub-grouped in accordance with such factors, and further if there are any other common attributes being extracted as a new factor. The designed 5 factors were expanded to 7 through the test, and they were renamed accordingly. The questionnaires are reorganized according to the new 7 factors. It implicates that thorough investigation of the common attributes is important in reducing the gaps between interviewers' and interviewees' understanding. Moreover, the results of internal reliability test represent the new design of questionnaire is reasonably acceptable with the high reliable values. We expect such approaches can be applied for the railway culture survey study to be more reliable and applicable.
Keywords
Railway safety culture; Internal reliability; Factor analysis; Factor extraction;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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