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Talk:Experiment VS Observational study (edit)
Revision as of 02:07, 18 April 2022
, 02:07, 18 April 2022no edit summary
==potential sources==
==potential sources==
https://quantifiedself.com/blog/qs-primer-case-crossover-design/
https://quantifiedself.com/blog/qs-primer-case-crossover-design/
abab tseting alternate treatment and not treatment. . combined with placebo. flare disease or social could easily foil clean controll.