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LINEQUATE: Stata module to calculate linear equating constants using the Tucker and Levine Methods

Author

Listed:
  • Leah McGuire

    ()

Abstract

linequate computes equating constants to perform linear equating of two versions of a test using an anchor test. The methods for computing these equating constants include Tucker's method, Levine's equal reliability method, and Levineís unequal reliability method. Users can easily obtain the equating constants by importing scores from the anchor test, and two different versions of the test. The equating constants can then be used to transform the scores from one version of the test to the scale of the other version of the test.

Suggested Citation

  • Leah McGuire, 2011. "LINEQUATE: Stata module to calculate linear equating constants using the Tucker and Levine Methods," Statistical Software Components S457258, Boston College Department of Economics, revised 29 Mar 2011.
  • Handle: RePEc:boc:bocode:s457258
    Note: This module should be installed from within Stata by typing "ssc install linequate". Windows users should not attempt to download these files with a web browser.
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    File URL: http://fmwww.bc.edu/repec/bocode/l/linequate.ado
    File Function: program code
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    File URL: http://fmwww.bc.edu/repec/bocode/l/linequate.sthlp
    File Function: help file
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    File URL: http://fmwww.bc.edu/repec/bocode/e/exeqdata.dta
    File Function: sample data file
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    More about this item

    Keywords

    test evaluation; Tucker; Levine;

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