NOTE OF CAUTION IN THE USE OF CORRELATION COEFFICIENTS IN FACTORIAL STUDIES IN THE CLINICAL DOMAIN |
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Authors: | J. W. Holley |
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Affiliation: | Psychological Laboratory, University of Göteborg, Sweden |
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Abstract: | Extreme caution must be observed when correlation coefficients are used in factorial studies in the clinical area. Distortional effects resulting from differences between the levels of test performance are demonstrated on both a correlational and factorial level. Further research to obtain a more suitable statistical index than the correlation coefficient for clinical research is recommended. |
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