IDEAS home Printed from https://ideas.repec.org/a/sae/jedbes/v19y1994i4p357-362.html
   My bibliography  Save this article

Teacher’s Corner: A Note on Modified Rank Correlation

Author

Listed:
  • Donald W. Zimmerman

Abstract

The Spearman rank correlation method separately assigns ranks to sample values of each of two variables, X and Y, and substitutes squared differences between the ranks into a computational formula derived from Pearson correlation. The present note examines an alternate procedure which separately transforms the X and Y values to standard scores, ranks the combined standard scores in a single sequence, and calculates the Pearson correlation between the ranks corresponding to the initial scores. A simulation study reveals that significance tests of correlation based on this method effectively control Type I and Type II error probabilities and are slightly more powerful than the Spearman method for normal and various nonnormal distributions and for sample sizes ranging from 8 to 30. This note discusses some advantages of the modified procedure.

Suggested Citation

  • Donald W. Zimmerman, 1994. "Teacher’s Corner: A Note on Modified Rank Correlation," Journal of Educational and Behavioral Statistics, , vol. 19(4), pages 357-362, December.
    • Handle: RePEc:sae:jedbes:v:19:y:1994:i:4:p:357-362
    DOI: 10.3102/10769986019004357
    as

    Download full text from publisher

    File URL: https://journals.sagepub.com/doi/10.3102/10769986019004357
    Download Restriction: no
    File URL: https://libkey.io/10.3102/10769986019004357?utm_source=ideas
    LibKey link: if access is restricted and if your library uses this service, LibKey will redirect you to where you can use your library subscription to access this item
    ---><---

    More about this item

    Statistics

    Access and download statistics

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:sae:jedbes:v:19:y:1994:i:4:p:357-362. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    We have no bibliographic references for this item. You can help adding them by using this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: SAGE Publications (email available below). General contact details of provider: .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.