Section 2.5: Performance Evaluation and Improvement (Clauses 9 & 10)

Key Takeaways

  • Clause 9.1 requires organizations to monitor customer perceptions of satisfaction through structured, defined methods.
  • Clause 9.2 mandates an objective and impartial internal audit program, preventing auditors from auditing their own work.
  • Management reviews must evaluate defined inputs and record decisions on resources, QMS changes, and improvements.
  • Correction addresses the immediate symptom, while corrective action investigates the root cause to prevent recurrence.
  • Clause 10.2 requires retaining documented information of nonconformity details, actions taken, and effectiveness reviews.
Last updated: July 2026

Section 2.5: Performance Evaluation and Improvement (Clauses 9 & 10)

Performance Evaluation (Clause 9)

Clause 9 represents the "Check" phase of the Plan-Do-Check-Act (PDCA) cycle. It provides the analytical engine of the quality management system. A Lead Auditor must understand that monitoring, measurement, analysis, and evaluation are critical for verifying that the QMS is functional, effective, and aligned with strategic direction.

9.1 Monitoring, Measurement, Analysis, and Evaluation

The organization must determine what needs to be monitored and measured, the methods used to ensure valid results, when activities are performed, and when results are analyzed and evaluated. Records must be retained as evidence.

  • Customer Satisfaction (9.1.2): As quality is defined by fulfilling requirements, the organization must monitor customers' perceptions of satisfaction. While customer surveys are common, the standard does not mandate them. Satisfaction can be monitored through customer meetings, compliments, warranty claims, and dealer reports. Auditors should verify that the organization has a systematic process for gathering and reviewing satisfaction data rather than assuming a lack of complaints indicates high satisfaction.
  • Analysis and Evaluation (9.1.3): The organization must analyze data to evaluate product conformity, customer satisfaction, QMS effectiveness, planning success, risk-treatment effectiveness, supplier performance, and QMS improvements.

9.2 Internal Audit

Clause 9.2 requires organizations to conduct internal audits at planned intervals. Internal audits provide objective information about whether the QMS conforms to the organization's own requirements, conforms to ISO 9001, and is effectively implemented and maintained.

The organization must establish an audit program defining the frequency, methods, responsibilities, planning requirements, and reporting. The program must consider process criticality, changes affecting the organization, and results of previous audits.

Key auditing requirements for Clause 9.2:

  • Objectivity and Impartiality: The audit process must be objective and impartial. Internal auditors must not audit their own work.
  • Worked Scenario: A lead auditor reviews the internal audit records of a service center and finds that the quality manager audited the corrective action process, which they personally manage. This is a clear nonconformity against Clause 9.2.2 because it fails to ensure objectivity and impartiality.
  • Reporting & Timely Action: Results must be reported to relevant management, and necessary corrections and corrective actions must be taken without undue delay.
  • Documented Information: Records of the audit program, checklists, and results must be retained.

9.3 Management Review

Top management must review the QMS at planned intervals to ensure its continuing suitability, adequacy, effectiveness, and strategic alignment.

  • Inputs (9.3.2): The review must consider changes in external/internal issues, customer satisfaction, quality objective achievement, process performance, audit results, external provider performance, resource adequacy, risk-treatment effectiveness, and improvement opportunities.
  • Outputs (9.3.3): Outputs must include decisions and actions related to improvement opportunities, QMS change needs, and resource requirements.

Auditors must review management review records (e.g., meeting minutes, action logs). If a review consists only of a slideshow presentation with no recorded decisions or action items, the auditor should cite a nonconformity under Clause 9.3.3.


Improvement (Clause 10)

Clause 10 represents the "Act" phase of the PDCA cycle, where the organization takes steps to enhance QMS suitability and customer satisfaction.

10.2 Nonconformity and Corrective Action

This is one of the most heavily tested concepts in Lead Auditor exams. A lead auditor must understand the difference between a correction and a corrective action:

  • Correction: Action taken to eliminate a detected nonconformity. It fixes the immediate symptom (e.g., reworking a scratched part or re-calibrating a sensor).
  • Corrective Action: Action taken to eliminate the cause of a nonconformity to prevent its recurrence. It fixes the underlying system (e.g., changing the tooling feed rate or revising the calibration schedule).
Action TypeObjectiveExample
CorrectionEliminate the immediate symptom.Reworking a rejected part.
Corrective ActionEliminate the root cause and prevent recurrence.Changing process parameters and retraining staff.

When a nonconformity occurs, the organization must:

  1. React to it, take action to control and correct it, and address its consequences.
  2. Evaluate the need for action to eliminate the cause of the nonconformity by reviewing the issue, determining its root causes (using tools like the 5 Whys or Ishikawa diagrams), and determining if similar issues exist.
  3. Implement any needed action.
  4. Review the effectiveness of any corrective action taken.
  5. Update risks/opportunities and make QMS changes if necessary.

Records of the nonconformity details, actions taken, and effectiveness review results must be retained.

10.3 Continual Improvement

Organizations must continually improve the suitability, adequacy, and effectiveness of the QMS. Auditors look for evidence of improvement projects, process optimization, and proactive corrective actions.

Test Your Knowledge

During an internal audit of a manufacturing firm, the quality manager audits their own department's calibration records and files the audit report. According to Clause 9.2, how should a Lead Auditor evaluate this situation?

A
B
C
D
Test Your Knowledge

During an audit of Clause 9.3, the lead auditor reviews the management review records and finds slides showing QMS performance data, but no recorded decisions regarding resources, changes to the QMS, or opportunities for improvement. What is the auditor's best course of action?

A
B
C
D
Test Your Knowledge

When auditing an organization's corrective action system under Clause 10.2, the auditor finds that a recurring defect was resolved by reworking the affected parts, but no investigation was done to find out why the defect occurred or to prevent its recurrence. What is the correct auditing evaluation?

A
B
C
D