Impact of auditor characteristics on audit judgment performance in Vietnam

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Vietnam is a rapidly developing economy with a unique set of audit challenges. This study focuses on independent auditors in Vietnam to determine the impact and influence of the representative factors of auditor characteristics, such as knowledge, experience, ability, and working motivation, on the auditors’ judgment. The study chose 407 auditors (juniors, seniors, managers, and partners) who worked at 86 Big 4 and non-Big 4 firms in Vietnam in 2023. Respondents were selected at random, and data were collected through the distribution of questionnaires. The study used structural equation modeling (SEM) and path analysis to examine the relationship between knowledge, experience, problem-solving ability, working motivation, and auditors’ judgment performance. The findings, derived from normalized weights, indicate that knowledge has the most significant positive influence (0.330), followed by auditor experience (0.237), and lastly, problem-solving ability (0.151). The results also show that knowledge has a partially mediating role (in the form of support) in the relationship between experience and problem-solving ability to auditors’ judgment performance. The correlation relationships in the model are all statistically significant at a 95% confidence level (p = 0.000 < 0.05). This study contributes to refining the factors influencing auditors’ judgment performance, thereby supporting auditors, regulators, and policymakers in enhancing audit quality.

Acknowledgments
The author would like to sincerely thank the valuable contributions of Mr. (Mrs.) who participated in the semi-structured interviews and the auditors who participated in the survey at 86 Big4 and Non-Big4 auditing companies in Vietnam. Sincere thanks are also extended to the managers at the audit firms who facilitated the completion of this survey.

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    • Figure 1. Conceptual model
    • Figure 2. Measurement model
    • Figure 3. Bootstrapping analysis for the structural model
    • Table 1. Measurement scale
    • Table 2. Measurement model quality
    • Table 3. HTMT ratio of correlations
    • Table 4. Collinearity of latent variables
    • Table 5. Direct effects of the independent on the dependent variable
    • Table 6. Direct hypotheses testing
    • Table 7. The mediating role of KNO
    • Table 8. Testing mediating effects
    • Conceptualization
      Nguyen Thi Khanh Van
    • Data curation
      Nguyen Thi Khanh Van
    • Formal Analysis
      Nguyen Thi Khanh Van
    • Funding acquisition
      Nguyen Thi Khanh Van
    • Investigation
      Nguyen Thi Khanh Van
    • Methodology
      Nguyen Thi Khanh Van
    • Project administration
      Nguyen Thi Khanh Van
    • Resources
      Nguyen Thi Khanh Van
    • Software
      Nguyen Thi Khanh Van
    • Supervision
      Nguyen Thi Khanh Van
    • Validation
      Nguyen Thi Khanh Van
    • Visualization
      Nguyen Thi Khanh Van
    • Writing – original draft
      Nguyen Thi Khanh Van
    • Writing – review & editing
      Nguyen Thi Khanh Van