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SUMMARY:'Measure once\, cut twice': values and validity in youth mental he
 alth measurement - Sebastian Rodriguez Duque (Department of History and Ph
 ilosophy of Science)
DTSTART:20260318T130000Z
DTEND:20260318T143000Z
UID:TALK245221@talks.cam.ac.uk
CONTACT:Matt Farr
DESCRIPTION:Psychometric validation can appear very specific and context s
 ensitive. For the case of patient-reported outcome measures (PROMs)\, I ar
 gue that it falls short of securing the rigorous interpretation of scores\
 , in part due to the different values of respondents and administrators in
  a new clinical context. I argue that validation practice is overly rigid.
  The lack of robust theories of constructs and response behaviour makes th
 e standardized interpretation of scores unwarranted. Instead\, attention t
 o user values requires that validation practice remain dynamic\, where the
  interpretation of scores must be collaborative. While some theories of ps
 ychometric validation attend to the ethics of measurement and the role of 
 values\, these are often addressed as bias. I discuss how values are an es
 sential ingredient of validity evidence to secure the clinical interpretat
 ion of scores in the case of mental health. I substantiate my claims throu
 gh my ongoing collaboration with a youth mental health service in British 
 Columbia. There\, the requirements of measurement-based care (MBC) and val
 ues like patient-centredness are in tension with the need to build and eva
 luate a learning health system and values like standardization. If the int
 erpretation of scores can only be fixed in a clinical situation\, it is no
 t clear how such data can be collected and aggregated to support system le
 vel inferences. Different values must be traded off in a measurement pract
 ice\, which in turn affects the quality of the inferences that different m
 easurements may support for different purposes.
LOCATION:Seminar Room 2\, Department of History and Philosophy of Science
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