HPS 0612 Lecture Notes - Lecture 21: Concurrent Validity, Neuropsychiatry, Charlotte Selver
18 Dec 2018
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Fixed points: events or objects that an abstract value can be indexed to. Regnault"s principle: the kind of instrument that produces inconsistent values in a single situation cannot be trusted. If hacking is right, we might not be able to get truly fixed points: the objects/processes are constantly changing. Distinguishing between the validity and utility of psychiatric diagnoses : kendell and jablensky, kendell psychiatrist, adopt metaphors of physical measurement. A standard frame of reference has been endorsed by most clinicians (on dsm, p. 4) More precise diagnostic criteria and instruments have become the norm (ibid. : validity. There is no single, agreed upon meaning of validity in science, although it is generally accepted that the concept addresses the nature of reality", and that its definition is an. Epistemological and philosophical problem, not simply a question of measurement" : some notions in circulation: Lab results (largely predictive: clinical presentation (concurrent, exclusivity (concurrent, follow-ups (predictive, family history (concurrent)
