Quality improvement (QI) success depends on multiple factors, but the organizational environment plays a pivotal role in enabling sustained change.

Option A (The CQI model selected): Continuous Quality Improvement (CQI) models like PDSA or DMAIC guide improvement, but their effectiveness depends on execution within a supportive environment.

Option B (Organizational culture): This is the correct answer. The NAHQ CPHQ study guide states, “Organizational culture is the most important determinant of quality improvement success, as a culture of safety, collaboration, and accountability enables effective implementation of QI initiatives” (Domain 4). A supportive culture fosters staff engagement and sustains change.

Option C (Monetary resource allocation): Resources are important, but without a culture that prioritizes quality, funds may be misallocated.

Option D (The type of organization): The type (e.g., hospital, clinic) influences context but is secondary to culture in driving QI success.

CPHQ Objective Reference: Domain 4: Performance and Process Improvement, Objective 4.1, “Foster a culture for quality improvement,” emphasizes culture’s role. The NAHQ study guide notes, “A strong organizational culture is critical for sustaining QI efforts” (Domain 4).

Rationale: Organizational culture drives engagement and sustainability, making it the key determinant, as per CPHQ’s improvement principles.