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IQ and Audit Quality: Do Smarter Auditors Deliver Better Audits?†

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  • Jenni Kallunki
  • Juha‐Pekka Kallunki
  • Lasse Niemi
  • Henrik Nilsson
  • Daniel Aobdia

Abstract

This study examines the role of an individual auditor's cognitive ability in delivering high‐quality audits. Our results from analyzing archival data from Sweden show that audit partners' IQ scores obtained from psychological tests are positively associated with going‐concern audit reporting accuracy and audit fee premiums. We also find some, albeit weak, evidence that audit partners' IQ scores are negatively associated with the income‐increasing abnormal accruals of the client. These results suggest that, although audit services are standardized through various control mechanisms and audits are conducted by teams rather than by individual auditors, the cognitive ability of audit partners responsible for an audit remains important in delivering high‐quality audit services. QI et qualité de l'audit : les auditeurs plus intelligents produisent‐ils de meilleurs audits? Les auteurs étudient le rôle des capacités cognitives d'un auditeur donné dans la production d'audits de qualité supérieure. Les résultats de leur analyse de données d'archives suédoises indiquent que les notes obtenues par les associés d'audit aux tests psychologiques de quotient intellectuel affichent un lien positif avec l'exactitude des rapports d'audit mettant en doute la continuité de l'exploitation et avec la majoration des honoraires d'audit. Les auteurs relèvent également certaines données qui démontrent, quoique faiblement, que les QI des associés d'audit ont un lien négatif avec les régularisations discrétionnaires anormales du client entraînant une hausse du résultat. Ces constatations semblent indiquer que, même si les services d'audit sont normalisés grâce à divers mécanismes de contrôle et que les audits sont réalisés par des équipes plutôt que par des auditeurs à titre individuel, les capacités cognitives des associés d'audit responsables d'un audit demeurent importantes dans la prestation de services d'audit de qualité supérieure.

Suggested Citation

  • Jenni Kallunki & Juha‐Pekka Kallunki & Lasse Niemi & Henrik Nilsson & Daniel Aobdia, 2019. "IQ and Audit Quality: Do Smarter Auditors Deliver Better Audits?†," Contemporary Accounting Research, John Wiley & Sons, vol. 36(3), pages 1373-1416, September.
  • Handle: RePEc:wly:coacre:v:36:y:2019:i:3:p:1373-1416
    DOI: 10.1111/1911-3846.12485
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    References listed on IDEAS

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    1. Ross Levine & Yona Rubinstein, 2017. "Smart and Illicit: Who Becomes an Entrepreneur and Do They Earn More?," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 132(2), pages 963-1018.
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    Cited by:

    1. Kris Hardies & Sarowar Hossain & Larelle (Ellie) Chapple, 2021. "Archival research on audit partners: assessing the research field and recommendations for future research," Accounting and Finance, Accounting and Finance Association of Australia and New Zealand, vol. 61(3), pages 4209-4256, September.
    2. Su, Zhifang & Wang, Haowei & Pan, Yinghao, 2025. "Risk education and tax aggressiveness: Evidence from China's auditor certification reform," China Economic Review, Elsevier, vol. 93(C).
    3. Krishnan, Gopal V. & Singer, Zvi & Zhang, Jing, 2023. "Audit partner ethnicity and salient audit phenomena," Accounting, Organizations and Society, Elsevier, vol. 107(C).
    4. Causholli, Monika & Floyd, Theresa & Jenkins, Nicole Thorne & Soltis, Scott M., 2021. "The ties that bind: Knowledge-seeking networks and auditor job performance," Accounting, Organizations and Society, Elsevier, vol. 92(C).
    5. Paul J. Coram & Yi (Dale) Fu & Mukush Garg & Noel Harding & David C. Hay & Mohammad Jahanzeb Khan & Nora Muñoz‐Izquierdo & Ashna Prasad & Nigar Sultana & Jamie Tong, 2022. "Comments of the AFAANZ auditing and assurance standards committee on proposed international standard on auditing ISA for LCE," Accounting and Finance, Accounting and Finance Association of Australia and New Zealand, vol. 62(3), pages 4219-4244, September.
    6. Alhababsah, Salem & Alhaj-Ismail, Alaa, 2025. "Does age similarity between audit committee chair and engagement partner affect audit quality?," Journal of International Accounting, Auditing and Taxation, Elsevier, vol. 58(C).
    7. Liao, Fang-nan & Zhang, Chuancai & Zhang, Jin-jin & Yan, Xiang & Chen, Tian-xiang, 2024. "Hyperbole or reality? The effect of auditors' AI education on audit report timeliness," International Review of Financial Analysis, Elsevier, vol. 91(C).
    8. Daniel Aobdia & Saad Siddiqui & Andres Vinelli, 2021. "Heterogeneity in expertise in a credence goods setting: evidence from audit partners," Review of Accounting Studies, Springer, vol. 26(2), pages 693-729, June.
    9. Alhababsah, Salem & Alhaj-Ismail, Alaa, 2023. "Does shared tenure between audit committee chair and engagement partner affect audit outcomes? Evidence from the UK," The British Accounting Review, Elsevier, vol. 55(2).
    10. Šušak Toni & Stapić Ivana, 2025. "Does Gender Matter in Audit? Evidence on Earnings Management and Audit Delay from Croatia," Business Systems Research, Sciendo, vol. 16(2), pages 219-239.
    11. Knowles, Robin L & Pacheco Paredes, Angel Arturo, 2023. "International culture and audit deficiencies: Evidence from inspection reports of non-US companies listed in the US," Journal of International Accounting, Auditing and Taxation, Elsevier, vol. 51(C).
    12. John Xuefeng Jiang & Shaohua He & K. Philip Wang, 2025. "Partner wealth and audit quality: evidence from the United States," Review of Accounting Studies, Springer, vol. 30(1), pages 702-737, March.
    13. Ruhnke, Klaus, 2023. "Empirical research frameworks in a changing world: The case of audit data analytics," Journal of International Accounting, Auditing and Taxation, Elsevier, vol. 51(C).
    14. Jeffrey Pittman & Baolei Qi & Yi Si & Zi-Tian Wang & Chongwu Xia, 2024. "Individual Auditor Social Responsibility and Audit Quality: Evidence from China," Journal of Business Ethics, Springer, vol. 194(1), pages 119-144, September.
    15. Asmae Ez-Zaidi & Youssef Ghandari, 2025. "The role of new technologies in improving financial audit quality following the financial scandals of the 2000s [Le rôle des nouvelles technologies dans l’amélioration de la qualité de l’audit comptable et financier après les scandales financiers ," Post-Print hal-05366347, HAL.
    16. Charles Ham & Rebecca N. Hann & MaryJane Rabier & Wenfeng Wang, 2025. "Auditor Skill Demands and Audit Quality: Evidence from Job Postings," Management Science, INFORMS, vol. 71(7), pages 5805-5829, July.

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