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ERIC Number: EJ133684
Record Type: Journal
Publication Date: 1975
Pages: N/A
Abstractor: N/A
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The Use of Extreme Groups in Assessing Relationships
Alf, Edward F., Jr.; Abrahams, Norman M.
Psychometrika, 40, 4, 563-72, Dec 75
In applied and experimental research, it has been demonstrated that the extreme groups procedure is more powerful than the standard correlational approach for some values of the correlation and extreme group size. Methods are provided for using the covariance information that is usually discarded in the classical extreme groups approach. (Author/BJG)
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