They find that the measure provides two groups of auditors (i.e. auditors perceiving low and high ERP systems expertise), which differ in their assessments of risk and planning of substantive tests in an ERP setting. Additionally, with the aid of experienced auditors, it was determined that auditors perceiving high ERP systems expertise provided higher quality risk assessments and planned more effective substantive tests. Therefore, there is limited support that the measure behaves as expected.