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Commentary endorses arguments on transdiagnostic research and emphasizes data sharing norms.
This commentary responds to arguments presented in Caspi et al.'s (see record 2026-80066-001) viewpoint article. I endorse the authors' overall argument but note that exactly how many mental disorders one needs to study at a time will likely depend on the specific research question. I also describe how transdiagnostic research requires strong norms of data and credit sharing. (PsycInfo Database Record (c) 2026 APA, all rights reserved).
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K. Paige Harden (2026) studied this question.
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