Evaluation of internal audit effectiveness in Tehran Stock Exchange (TSE)

Abstract

Recently, internal auditing has received much attention due to its importance. Although, its activity domain was restricted only to control, its activity range has developed in wide range of services. The main aim of this study is to survey and determine the degree of internal audit effectiveness in internal controls improvement in firms listed in TSE. To do so, 152 people are selected as sample though random sampling. Researcher-produced questionnaire is used to collect data and Ch-square to test hypotheses. The results show that internal auditing leads to increase internal control effectiveness in the firms listed in TSE.

Keywords: Audit effectiveness, COSO, Internal audit, Internal controls.