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ERIC Number: EJ321777
Record Type: Journal
Publication Date: 1985
Pages: N/A
Abstractor: N/A
ISBN: N/A
ISSN: N/A
EISSN: N/A
The Power of Student's t and Wilcoxon W Statistics: A Comparison.
Rasmussen, Jeffrey Lee
Evaluation Review, v9 n4 p505-10 Aug 1985
A recent study (Blair and Higgins, 1980) indicated a power advantage for the Wilcoxon W Test over student's t-test when calculated from a common mixed-normal sample. Results of the present study indicate that the t-test corrected for outliers shows a superior power curve to the Wilcoxon W.
Descriptors: Computer Simulation, Error of Measurement, Hypothesis Testing, Power (Statistics), Sampling, Statistical Distributions, Statistical Significance, Statistical Studies
Publication Type: Journal Articles
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A