Lecturer & Clinical Psychologist
Email: jaruwan.sau@mahidol.ac.th

Education

• Postgraduate Diploma in Applied Neuropsychology | University of Bristol, UK (Distance Learning) with Distinction (2023)
• Doctor of Psychology (Clinical) | University of Tasmania, Australia (2009)
  Thesis: The Impostor Phenomenon: Some Antecedents and Consequences
• Certificate IV in Marketing | Institute of TAFE Tasmania (2008)
• Bachelor of Science (Psychology) | Kasetsart University, Thailand – First Class Honours (2002)

Professional License

• Registered Clinical Psychologist | License No. CP512 (2013-Present)

Research Interests

Primary Research Areas

• Impostor Phenomenon and its psychological correlates
• Cross-cultural psychological assessment and instrument validation
• Adverse childhood experiences and behavioral outcomes
• Community mental health and crisis intervention
• Evidence-based psychotherapy (CBT, ACT)
• Applied neuropsychology

International Collaborative Research

• Global studies on criminal behavior and multisystemic vulnerabilities
• Cross-continental research on adverse childhood experiences

Selected Publications

Clinical Psychology & Assessment

• Sakulku, J. & Alexander J. (2011). The Impostor Phenomenon. The Journal of Behavioral Science, 6(1), 73-92.
• Sakulku, J. & Asawathaweeboon, B. (2021). Validity and Reliability of the Thai NEO Personality Inventory-3: Preliminary Study. Thai Journal of Clinical Psychology, 52(2), 62-73.
• Siphai, S., Siphai, S., & Sakulku, J. (2023). The development of Early Childhood intellectual Capacities in the Child Development Centers. International Journal of Sociologies and Anthropologies Science Reviews, 3(5), 9-22.
• Chaisen, A., Supparerkchaisakul, N., & Sakulku, J. (2017). Casual factors and the consequences of the impostor phenomenon in Thai doctoral students. UMT Poly Journal, 14(1), 61-75.

Global Collaborative Research

• Villanueva, L., et al. (2024). The Global Impact of Multisystemic Vulnerabilities on Criminal Variety: A Cross-Continental Study in Young Adults. Journal of Interpersonal Violence. https://doi.org/10.1177/08862605241270016
• Basto-Pereira, M., et al. (2022). The global impact of adverse childhood experiences on criminal behavior: A cross-continental study. Child Abuse & Neglect, 124, 105459.
• Asawathaweeboon, B., & Sakulku, J. (2023). The study of pro/antisocial behavior in Thai young adults. Journal of the Psychiatric Association of Thailand, 68(4), 394-402.

Education & Technology

• Siphai, S., Siphai, J., Saengloetuthai, J., & Sakulku, J. (2025). The computer, information and communication technology, and communication skills of Thai Rajabhat University students. International Journal of Evaluation and Research in Education, 14(3). http://doi.org/10.11591/ijere.v14i3.32461

• Chaleeraktrakoon, T., et al. (2021). Community Learning as an Effective Way to Facilitate Learning Counselling Skills. Journal of Community Development and Life Quality, 9(1), 109-122.

• Saengprom, N., Earawan, W., Damrongpanit, S., & Sakulku, J. (2015). Exploring the different trajectories of analytical thinking ability factors. Educational Research and Reviews, 10(7), 994-1002.
• Sriphai, S., Damrongpanit, S., & Sakulku, J. (2011). An Investigation of Learning Styles Influencing Mathematics Achievement. Educational Research and Reviews, 6(15), 835-842.