Figure 12.1 Types of Tests and the Audit Risk Model AAR IR XCR PDR Audit risk Model P rocedures Sufficient Substantive Tests of to obtain an Tests of Analytical understanding of + controls+ tests of f procedures+ details ofcompetent balances evidence internal control transactions per gaas ypes DPT’s of Audit Tests Arens, Loebbecke; Auditing, 8/E @2000 Prentice hall.IncArens, Loebbecke; Auditing, 8/E ©2000 Prentice Hall, Inc. Procedures to obtain an understanding of internal control Tests of controls Substantive tests of transactions Analytical procedures Sufficient competent evidence per GAAS Tests of details of balances + + + + = Audit Risk Model Types of Audit Tests AAR IR X CR = PDR Figure 12 - 1 Types of Tests and the Audit Risk Model DPT’s