Crosby

Definition

Crosby: Conformance to requirements, prevention, zero defects, cost of quality, and management commitment.

History

Crosby belongs to the management and quality-philosophy foundation of operational excellence, where the emphasis is on how leaders think about systems, people, variation, customers, and learning.

When to Use

Use Crosby when the work requires better management judgment, stronger system awareness, clearer quality principles, or a shared philosophy before tools are selected.

Step-by-Step

• Define the management or system question tied to Crosby.
• Identify the people, process, customer, data, and leadership assumptions involved.
• Connect the concept to a practical operating decision or improvement behavior.
• Review the result through evidence, learning, and system impact.

Examples

• Apply Crosby to a real process, project, role, or learning path where the entry can guide a decision.
• Connect the entry to at least one guide, tool, template, case study, or implementation review before treating it as complete.

Common Pitfalls

• Using Crosby as terminology only, without connecting it to behavior, evidence, or process results.
• Skipping operational definitions, ownership, context, or follow-up when applying the entry.
• Forcing the entry into a situation where another BoK method or reference would fit better.

Related Tools

Quality Philosophy Foundations (Guide)

Further Reading

Quality Philosophy Foundations