The Institute for Healthcare Improvement (IHI) promotes collaborative approaches to quality improvement, emphasizing rapid-cycle testing to achieve measurable results. The model at the core of IHI’s methodology is well-documented in quality improvement frameworks.
Option A (DMAIC): DMAIC (Define, Measure, Analyze, Improve, Control) is a Six Sigma methodology focused on reducing variation, not the core of IHI’s approach, which emphasizes rapid testing.
Option B (PDSA): This is the correct answer. The NAHQ CPHQ study guide states, “The Plan-Do-Study-Act (PDSA) cycle is the core performance improvement model used by the Institute for Healthcare Improvement for its collaborative approach, enabling rapid-cycle testing and iterative improvements” (Domain 4). PDSA involves planning a change, testing it, studying results, and acting on findings, aligning with IHI’s Breakthrough Series model.
Option C (Lean): Lean focuses on eliminating waste, which IHI may incorporate, but it is not the primary model for IHI collaboratives.
Option D (Six Sigma): Six Sigma uses data-driven methods like DMAIC, not IHI’s rapid-cycle focus.
CPHQ Objective Reference: Domain 4: Performance and Process Improvement, Objective 4.3, “Apply performance improvement models,” emphasizes PDSA as IHI’s core methodology. The NAHQ study guide notes, “IHI’s collaborative approach relies on PDSA cycles to test and scale improvements across organizations” (Domain 4).
Rationale: PDSA’s rapid-cycle testing is central to IHI’s collaborative framework, enabling iterative improvements, as per CPHQ’s improvement principles.
[Reference: NAHQ CPHQ Study Guide, Domain 4: Performance and Process Improvement, Objective 4.3., , , ]
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