The scenario indicates a lack of communication competency. Effective communication involves not only presenting audit findings clearly but also ensuring that management is adequately informed and understands the findings prior to the closing meeting. Sharing draft findings in a way that management was not familiar with and found confusing suggests shortcomings in how information was conveyed.
* Option B: Business acumen is understanding the business context, which is not the primary issue here.
* Option C: Persuasion involves influencing others, which is secondary to clear communication.
* Option D: Critical thinking is about analysis and judgment, not directly related to the communication issues described.
IIA Standard 2420: Quality of Communications.
IIA Practice Guide: Communication.

An internal audit client survey is a tool that collects feedback from audit clients regarding the performance and effectiveness of internal auditors. This survey can highlight areas where a staff internal auditor may need improvement, including business acumen. Client feedback is direct and relevant, offering insights into how well the auditor understands the business context and applies this knowledge during audits.
* Option A: A quality assessment review focuses on the overall quality of the internal audit activity, not on individual staff business acumen.
* Option C: A control self-assessment involves self-evaluation of controls within business units, not directly addressing individual auditor's skills.
* Option D: A peer review assesses the internal audit activity's adherence to standards but does not specifically target business acumen of individual auditors.
References:
* IIA's Quality Assessment Manual.
* IIA Practice Guide: Client Surveys.

The internal audit charter is a formal document that defines the purpose, authority, and responsibility of the internal audit activity. It establishes the internal audit activity's position within the organization, authorizes access to records, personnel, and physical properties relevant to the performance of engagements, and defines the scope of internal audit activities. Final approval of the internal audit charter by the board ensures that there is a clear understanding and agreement on how the internal audit activity should function, thus supporting objectivity in carrying out its duties.
The Institute of Internal Auditors (IIA) - International Standards for the Professional Practice of Internal Auditing