Appraisal Influencing Factors on Auditor's Judgment and Determining the Materiality Degree on Misstatement Detection of Financial Statements

This research was done in the second half of 1387 in Iran to appraisal influencing factors on auditor's judgment and determining the materiality degree on misstatement detection of financial statements. After theoretically study, quantitative and qualitative factors recognized and sort in 28 factors at 2 equal groups and in 350, 300 questionnaires send for internal and external auditors that 131 external auditors and 59 internal auditors answered them.
Perception of Iranian internal and external auditors appraisal to efficiency each factors using  statistical tests  and specify  that  auditors perception's to quantitative and qualitative factors are the  same, but they have not the same cognition.
Results of this research show that by not existing general difference in perception of auditors to efficiency factors, auditors sort them to different configuration. As external auditors appraisal 8 quantitative factors and 5 qualitative factors to the most effective factors and against internal auditors recognize 6 quantitative factors and only 1 qualitative factor to the most effective factors.
Also Results of this research show that external auditors think that qualitative factors are more effective and internal auditors think that quantitative factors are more effective.