Abstract:
An investigation into the impact of Intern al Auditing on organizational performance was carried out on forty selected organizations in Port Harcourt to find out if the use of internal audit
in these organizations was justified based on the benefits derivable from it. Questionnaire was administered to elicit information from the respondents. Two research hypotheses were also formulated. The data collected were presented on appropriate tables and analyzed using both Kruskal Wallis Rank Test and Z. distribution respectively. It was found out that the use of internal audit In business organization not only contribute to greater organizational/managerial performance but also assists in the detection of frauds and errors. It was therefore concludes that the internal audit unit IS a necessity for business organizations. We therefore recommend among others , that internal audit department/unit should not only be established or used in business
organizations but that their recommendation and reports should also be considered by management in their decision making .
