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Personal profile


I am a PhD Candidate within the Centre for Emotional Health (CEH) at Macquarie University, supervised by A/Prof Melissa Norberg and Dr Miri Forbes. My research focuses on hoarding disorder and compulsive buying - I am currently investigating the factors that lead to difficultiy throwing things away and excessive buying, such as cognitions and motivations, object attachment, anthropomorphism, emotional dysregulation, and interpersonal attachment style. The aim of my research is to better understand the causal and maintenance factors of these disorders so we can develop more effective treatments for hoarding disorder and compulsive buying.


I also work as a casual tutor in PSY105 - Introduction to Psychology II and PSY337 - Psychopathology.

Education/Academic qualification

Psychology, MRes, Macquarie University

… → 2019

Psychology, BPsych (Hons I), The University of New South Wales

… → 2018

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Research Outputs

Determinants of object choice and object attachment: compensatory consumption in compulsive buying–shopping disorder and hoarding disorder

Norberg, M., David, J., Crone, C., Kakar, V., Kwok, C., Olivier, J. & Grisham, J. R., Mar 2020, In : Journal of Behavioral Addictions. 9, 1, p. 153-162 10 p.

Research output: Contribution to journalArticle

Open Access
  • To save or not to save: the use of cognitive bias modification in a high-hoarding sample

    David, J., Baldwin, P. A. & Grisham, J. R., Oct 2019, In : Journal of Obsessive-Compulsive and Related Disorders. 23, p. 1-8 8 p., 100457.

    Research output: Contribution to journalArticle