Empirical analysis of equating methods for elective subjects of College Scholastic Ability Test

  • Hyunchul Kim (Assistant Professor Sungkyunkwan University)
  • Published : 1999.12.01

Abstract

Five equating methos for elective subjects of College Scholastic Ability Test were analyzed under a common-items nonequivalent groups design using a real data set of 110 thousand examinees. Five methods were (a)two-stage linear equating (b) two-stage equi-percentile equating (c) Tucker equating (d) Frequency estimation equating and (e)Braun-Holland equating. The results indicated that Frequency estimation equating fits well and two-stage linear equating produces most different equating results from the Frequency estimation equating.

Keywords

References

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