Contacts
Area of research interest
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
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)
Registered Clinical Psychologist | License No. CP512 (2013-Present)
Publications List
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.
Courses Taught
