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Methodology and statistics

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« When we dichotomize, we sort but do not manipulate ».

– Joseph Rochford, PhD, on the use of median split in stress research

Correspondance between Sonia Lupien Ph.D., Joseph Rochford Ph.D. and Jeremy Miles Ph.D. on the drawbacks of using a median-split post-hoc to dichotomize a population in behavioural sciences.

Breaking up is hard to do: The Heartbreak of Dichotomizing Continuous Data” by David L. Streiner

Correspondance on the issue of median split in stress research, Follow-up on the Streiner paper.