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A Note on Determination of Sample Size for a Likert Scale

  • Park, Jin-Woo (Department of Applied Statistics, University of Suwon) ;
  • Jung, Mi-Sook (Department of Applied Statistics, University of Suwon)
  • Published : 2009.07.31

Abstract

When a social scientist prepares to conduct a survey, he/she faces the problem of deciding an appropriate sample size. Sample size is closely connected with cost, time, and the precision of the sample estimate. It is thus important to choose a size appropriate for the survey, but this may be difficult for survey researchers not skilled in a sampling theory. In this study we propose a method to determine a sample size under certain assumptions when the quantity of interest is measured by a Likert scale.

Keywords

References

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  5. Likert, R. (1932). A technique for the measurement of attitudes, Archives of Psychology, 140, 1-55
  6. Yamane, T. (1967). Elementary Sampling Theory, Prentice-Hall

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