ACFE Exam CFE-Fraud-Prevention-and-Deterrence Topic 2 Question 6 Discussion

During a fraud risk assessment, (he assessment (earn is seeking information on the ethical tone set by upper and middle managers The team members determine that, for this task, they would like to get candid one-on-one feedback from employees away from their peers. Which of the following techniques would be most helpful for them to use in gathering this information?