There are many reports that pharmacotherapy has been optimized to ensure collaboration between physicians and pharmacists. Various scales assess the relationship between physicians and pharmacists as well as medical students and pharmacy students. The Scale of Attitudes Toward Physician–Pharmacist Collaboration (SATP2C) can be applied not only to the physician–pharmacist relationship but also to the medical–pharmacy student relationship. As there is no Japanese version of the SATP2C, we developed one and examined its psychometric properties. SATP2C scores were measured before and after interprofessional education (IPE) to verify responsiveness. The scale showed confirmed reliability: Cronbach’s alphas were 0.79 for Responsibility and Accountability, 0.68 for Shared Authority, and 0.67 for Interdisciplinary Education. Pre and post-IPE, each mean subscale score increased: Responsibility and Accountability, 0.7 ± 0.4; Shared Authority, 0.2 ± 0.3; and Interdisciplinary Education, 0.3 ± 0.2. Although the total score increased (1.2 ± 0.7), this was non-significant. The Japanese version of the SATP2C can be considered, at least initially, to have reached an acceptable level of reliability and validity. The new measure is currently the only scale in Japan that can evaluate attitudes toward physician–pharmacist collaboration regarding IPE. Further studies are needed to confirm responsiveness pre- and post-IPE.
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