Which informal ion- gathering method would be most efficient for an internal auditor to determine...

Internal control questionnaires are an efficient information-gathering method for an internal auditor to determine whether specified control procedures are in place. These questionnaires are designed to capture detailed information about controls through structured questions, enabling auditors to quickly identify the existence and nature of controls. This method is systematic and allows for comprehensive coverage of various control aspects, making it efficient for initial assessments.

IIA Standard 2240: Engagement Work Program

IIA Practice Guide: Using Control Self-Assessment for Continuous Improvement