Choosing Between Parametric and Nonparametric Tests

MICHAEL R. HARWELL

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

A fundamental analysis decision confronting researchers in psychology and education is the choice between parametric and nonparametric tests. Despite the statistical and substantive implications of this important decision, many researchers unerringly employ parametric tests and thus ignore the advantages of their nonparametric counterparts. One justification for this behavior has been the absence of guidelines for choosing between these procedures. A second has been the lack of a comprehensive nonparametric test that is computationally manageable. In this article, the author discusses several statistical and substantive criteria that can be used to choose between parametric and nonparametric tests. A non‐parametric test capable of testing a number of statistical hypotheses using existing computer packages is also presented. Recommendations are made encouraging researchers to routinely use nonparametric tests in their data analytic work. 1988 American Counseling Association

Original languageEnglish (US)
Pages (from-to)35-38
Number of pages4
JournalJournal of Counseling and Development
Volume67
Issue number1
DOIs
StatePublished - 1988

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