Ngadiman Djaja is a PhD candidate within the School of Public Health and Social Work, Institute of Health and Biomedical Innovation, Queensland University of Technology. Ngadiman obtained his BSc in Psychology from Atma Jaya Catholic University of Indonesia and Master of Education in Educational Research, Evaluation and Assessment from The Flinders University of South Australia in 2009.
Ngadiman’s research interests are in item response theory and large scale assessment. Ngadiman is investigating psychometrics properties of questionnaires assessing skin cancer risk, sun exposure behaviours and sun protection behaviours. Many different questions are utilised around the world to assess those constructs and many have not undergone rigorous psychometric procedures. This study will focus on development of those constructs using item response theory.
ihop Research Group
Queensland University of Technology
School of Public Health and Social Work
Victoria Park Road
Brisbane, Qld 4059
Email: n.djaja @qut.edu.au