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ERIC Number: EJ644193
Record Type: Journal
Publication Date: 2001
Pages: N/A
Abstractor: N/A
ISSN: ISSN-0013-1644
Type I Error Rate and Power of Some Alternative Methods to the Independent Samples "t" Test.
Nthangeni, Mbulaheni; Algina, James
Educational and Psychological Measurement, v61 n6 p937-57 Dec 2001
Examined Type I error rates and power for four tests for treatment control studies in which a larger treatment mean may be accompanied by a larger treatment variance and examined these aspects of the independent samples "t" test and the Welch test. Evaluated each test and suggested conditions for the use of each approach. (SLD)
Publication Type: Journal Articles; Reports - Evaluative
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A