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Direct linkCollins, Kathleen M. T.; Onwuegbuzie, Anthony J.; Sutton, Ida L. – Learning Disabilities: A Contemporary Journal, 2006
This article provides a typology of reasons for conducting mixed-methods research in special education. The mixed-methods research process is described along with the role of the rationale and purpose of study. The reasons given in the literature for utilizing mixed-methods research are explicated, and the limitations of these reason frameworks…
Descriptors: Methods Research, Investigations, Disabilities, Special Education
Onwuegbuzie, Anthony J.; Levin, Joel R.; Leech, Nancy L. – Learning Disabilities: A Contemporary Journal, 2003
Because of criticisms leveled at statistical hypothesis testing, some researchers have argued that measures of effect size should replace the significance-testing practice. We contend that although effect-size measures have logical appeal, they are also associated with a number of limitations that may result in problematic interpretations of them…
Descriptors: Intervals, Psychological Studies, Learning Disabilities, Testing
