Tests of Equivalence for One-Way Independent Groups Designs.
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| Title: | Tests of Equivalence for One-Way Independent Groups Designs. |
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| Authors: | Cribbie, RobertA. (AUTHOR), Arpin-Cribbie, ChantalA. (AUTHOR), Gruman, JamieA. (AUTHOR) |
| Source: | Journal of Experimental Education. Fall2009, Vol. 78 Issue 1, p1-13. 13p. |
| Subjects: | Equivalence classes (Set theory), Group Environment Scale, Monte Carlo method, Measurement-model comparison, Experimental design, Mathematical models, Experimental methods in education, Statistical research, Educational statistics |
| Abstract: | Researchers in education are often interested in determining whether independent groups are equivalent on a specific outcome. Equivalence tests for 2 independent populations have been widely discussed, whereas testing for equivalence with more than 2 independent groups has received little attention. The authors discuss alternatives for testing the equivalence of more than 2 independent populations, and they use a Monte Carlo study to demonstrate and compare the performance of these alternatives under several conditions. The results indicate that a 1-way test (e.g., Wellek's F test) is recommended for assessing the equivalence of more than 2 independent groups because approaches based on conducting pairwise tests of equivalence are overly conservative. [ABSTRACT FROM AUTHOR] |
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| Database: | Psychology and Behavioral Sciences Collection |
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| Abstract: | Researchers in education are often interested in determining whether independent groups are equivalent on a specific outcome. Equivalence tests for 2 independent populations have been widely discussed, whereas testing for equivalence with more than 2 independent groups has received little attention. The authors discuss alternatives for testing the equivalence of more than 2 independent populations, and they use a Monte Carlo study to demonstrate and compare the performance of these alternatives under several conditions. The results indicate that a 1-way test (e.g., Wellek's F test) is recommended for assessing the equivalence of more than 2 independent groups because approaches based on conducting pairwise tests of equivalence are overly conservative. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 00220973 |
| DOI: | 10.1080/00220970903224552 |
