Internal auditor independence and audit quality: the influence of mediation role of professional ethics investigation (on the example of Gorontalo city inspectorate in Indonesia)

Abstract

This study aims to examine the effect of auditor independence on audit quality at the Gorontalo City Inspectorate, with professional ethics acting as a mediator or moderator variable. The method used in this study is a quantitative method, with primary data collection. This study uses a saturated sample or census, where the entire population is sampled, totalling 54 respondents consisting of 35 auditors and 19 P2UPD (Supervisors of the Implementation of Regional Government Affairs) in 2023. The data used is primary data collected through a questionnaire. The statistical analysis used is a non-parametric method with Partial Least Squares - Structural Equation Model (PLS-SEM) using SmartPLS Version 4 software. The results of the study indicate a positive and significant influence between internal auditor independence on audit quality through the role of professional ethics. In addition, it was found that the independence of internal auditors also has a positive and significant influence on audit quality at the Gorontalo City Inspectorate, as well as a positive and significant influence on the role of professional audit ethics, which in turn has an impact on the audit quality of the Gorontalo City Inspectorate.