What principle involves the engagement of all organizational levels in ISO 9000?

The principle that emphasizes the engagement of all organizational levels in ISO 9000 is the involvement of people. This principle recognizes that an organization's employees at all levels play a vital role in achieving quality objectives and overall success.

When everyone is engaged, it fosters a culture of teamwork and communication, leading to improved processes and outcomes. Involvement encourages personnel to share their insights and contributions, which can lead to enhanced performance, increased adaptability, and innovation within the organization. This grassroots involvement is essential for implementing quality management systems effectively, as it empowers employees and leads to sustainable improvements.

Other principles, while important, do not specifically cover the engagement of all levels. For example, customer focus primarily targets understanding and meeting the needs and expectations of customers. Effective management pertains to the leadership and strategic direction of the organization, while the process approach concentrates on understanding and managing interrelated processes for better results. The unique focus of the involvement of people principle on engagement across all organizational levels makes it the correct choice.