Construct · 1 fields · 1 citations

dichotomization of continuous variables: a standalone construct

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Research methods

splitting a quantitative variable into two groups at a cut point, which loses information, lowers power and can produce spurious effects.

In research methods, dichotomization of continuous variables refers to splitting a quantitative variable into two groups at a cut point, which loses information, lowers power and can produce spurious effects. This meaning comes from MacCallum (2002) in Psychological Methods.[1]

Unit
Recovery means
Measured by

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References

MacCallum, R. C., Zhang, S., Preacher, K. J., & Rucker, D. D. (2002). On the practice of dichotomization of quantitative variables. Psychological Methods, 7(1), 19-40. https://doi.org/10.1037/1082-989x.7.1.19

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