Which barrier arises when individual professions maintain isolated evidence bases?

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When evidence bases stay within each profession, knowledge becomes siloed, and that fragmentation makes it hard for teams to see how different experts contribute to a patient’s care. This separation often leads to role confusion, because team members aren’t clear about who is responsible for which aspect of decision-making, and it fosters turf battles, as disciplines defend their own methods and authority rather than working toward a unified plan. The lack of a shared, cross-disciplinary evidence base undermines communication and collaboration, which are essential for integrated care.

Disagreement about scope can happen in any interprofessional setting but centers on boundaries rather than the fundamental issue of siloed evidence. Inadequate clinical hours and lack of technology are more about training exposure and tools than the organizational barrier created by isolated evidence bases.