The impact of key mandatory guidance on internal auditor effectiveness

What is it about?

The Institute of Internal Auditors has established ten principles that are designed to increase internal auditor effectiveness. I show that these principles, in aggregate, are successful in this goal. However, certain principles are more important than others. Furthermore, their impact varies between internal audit staff and internal audit supervisors, as well as between different sources of threats to internal auditor effectiveness.

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Photo by Dan Dimmock on Unsplash

Photo by Dan Dimmock on Unsplash

Why is it important?

This is the first study to identify whether the Institute of Internal Auditors’ ten principles achieve their intended goal. It also shows that a single set of guidance may not be equally effective for all internal audit practitioners nor all situations they face.