Rethinking barriers and facilitators in implementation science: conceptual, methodological, and practical challenges,...

Area of Science:

• Implementation Science
• Health Services Research
• Organizational Behavior

Background:

• Barriers and facilitators (B&F) are foundational concepts in implementation science for understanding evidence-based practice adoption.
• Established frameworks like the Consolidated Framework for Implementation Research and Theoretical Domains Framework standardize B&F terminology.
• The field's maturation reveals limitations in the traditional B&F approach.

Purpose of the Study:

• Critically examine eight challenges in identifying, measuring, and applying barriers and facilitators.
• Propose a reconceptualization of B&F to advance implementation science.
• Highlight the need for methods capturing complexity and mechanisms in implementation.

Main Methods:

• Critical analysis of theoretical, empirical, and methodological literature on barriers and facilitators.
• Examination of conceptual and methodological limitations of the traditional B&F approach.
• Review of existing determinant frameworks in implementation science.

Main Results:

• Barriers and facilitators are not simple opposites and are often perception-based rather than mechanistic.
• Exhaustive identification of B&F is often infeasible or lacks conceptual coherence.
• Measurement, prioritization, and consideration of dynamic, multi-level, and temporal aspects of implementation remain inconsistent.

Conclusions:

• The traditional B&F approach has limitations hindering progress toward explanatory and actionable implementation science.
• Reconceptualizing B&F as dynamic system properties and adopting complexity-capturing methods are crucial.
• Strengthening theory-method alignment will shift implementation research from enumeration to explanation of change.