ocw.kyoto-u.ac.jp...total effects of treatment specific treatment placebo hawthorne regression to...
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Total effects of treatmentSpecific treatment
Placebo
Hawthorne
Regression to mean
Natural history
Fr. biais, obliquity, perh. from L. bifax, two-faced
Chance and Bias
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Onset Early Dx Usual Dx Death
• (inception cohort)
–(inception)
– : military unit in Macedonia
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• ( )10
• worst case scenario best case scenario
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• ( )
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DC
BA
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( )
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• (blind)
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