What is the difference between 'materiality' and 'performance materiality'?
A core Audit & Assurance interview question — asked in analyst and associate interviews across IB, PE, and the Big 4.
THE SHORT ANSWER
Materiality is the maximum amount of misstatement that could exist without affecting the economic decisions of users. Performance materiality is a lower threshold set by the auditor to reduce the risk that the aggregate of uncorrected and undetected misstatements exceeds materiality. It is applied to individual accounts, balances, and disclosures during audit procedures.
WHAT INTERVIEWERS LISTEN FOR
- ✓Materiality is for user decisions; performance materiality is for audit execution.
- ✓Performance materiality is set lower than overall materiality.
- ✓Purpose: to provide a safety buffer for aggregate misstatements.
COMMON MISTAKES
- ✗Stating they are the same thing.
- ✗Confusing performance materiality with specific materiality for particular transactions.
Reading isn't the same as answering under pressure.
Interviewers don't hand you the model answer — you deliver yours on a clock. Practice this and 1,000+ questions with AI feedback on every answer.
RELATED QUESTIONS
- Explain the concept of materiality.
- Walk me through the audit risk model.
- Explain the COSO framework.
- Describe how you would plan the audit of a new client.
- What is the difference between a control deficiency, a significant deficiency, and a material weakness?
- Explain how you determine overall materiality and performance materiality for a new audit client. What factors influence your judgment?