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Last updated 22nd August 2025
Biography
Dr Calli Tzani is a Reader in Psychology at the University of Huddersfield since 2017. Dr Tzani graduated from the University of Indianapolis in 2005 with a BA in Psychology and continued her studies in 2014 at the University of Huddersfield, where she was awarded the MSc Investigative Psychology and the PhD in Psychology in 2018. Dr Tzani is the Cyberpsychology Research Network co-director (CRN), the Assistant Director of the Professional Doctoral Academy (PDA), a fellow of the Higher Education Academy, and is a member of several advisory bodies, including the Institute on Crime and Criminal Justice Policy, European Public Law Organisation (EPLO), the Psychologist British Psychological Society, Member of the Youth Mentoring Listserv, Member of the School Ethics Research Panel (SREP) at University of Huddersfield, Fellow of the NLP International Society. Dr Tzani is also reviewing for several scientific journals, such as the Journal of Investigative Psychology and Offender Profiling, the International Journal of Offender Therapy and Comparative Criminology, Sage Open, E Cronicon, Psychology & Psychiatry, International Journal of Bullying Prevention, and Journal of Generic Psychology.
Dr Tzani is teaching for the MSc Investigative Psychology a number of subjects, including Introducing Investigative Psychology: From Offender Profiling to the Science of IP, Violent Acquisitive and Sexual Crime, Clinical Forensic Psychology, statistics, research methods, Terrorism and Conflict Resolution, Psychology of Crime Prevention, Offender Spatial Activity: Beyond Geographical Offender Profiling, Improving Legal Testimony and Evidence in Court and Investigations and Professional Issues and Applications.
She has also supervised over 100 MSc research projects, has had multiple PhD completions and is currently supervising PhD projects on Cyberpsychology, Sexual Offending, Radicalisation Language of Extremist Groups Online, terrorism, Sextortion, Stalking, Bullying and Cyberbullying.
Dr Tzani has also been invited to various educational establishments to teach or train, such as the Royal Police Academy of Bahrain, the University of Edinburgh, Panteion University, Greece, Oldham University, University Indianapolis.
She has conducted research on various areas of psychology and criminology and has published numerous scientific articles on peer reviewed journals, such as the Journal of Investigative Psychology and Offender Profiling, the Journal of Environmental Research and Public Health, Computers in Human Behavior, New Ideas in Psychology, the International Journal of Bullying Prevention, the International Journal of Cyber Criminology and many others.
Dr Tzani has also contributed to media coverage multiple times, for example The Conversation, BBC, The Independent, The Examiner, New Zealand Herald, Daily Mail, World News, and many other. She has presented in various conferences globally, contributed to numerous funded projects and collaborates with scientists all over the world. Finally, Dr Tzani is conducting research on school bullying, cyberbullying, cyber-fraud, cybercrime, sextortion, terrorism, wellbeing, and many other areas related to psychology and crime, and is accepting PhD students that are interested in studying those areas.
Research Expertise and Interests
- Bullying
- Cyberbullying
- Sextorion
- Tax Fraud
- Online Crime
- Investigative Psychology
- Sexual Harassment
- Criminal Profiling
- Psychopathy
- Cyberpsychology
- Stalking
- Cyberscams
- AI and Psychology
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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SDG 3 Good Health and Well-being
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SDG 4 Quality Education
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SDG 5 Gender Equality
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SDG 8 Decent Work and Economic Growth
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SDG 9 Industry, Innovation, and Infrastructure
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SDG 16 Peace, Justice and Strong Institutions
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Collaborations and top research areas from the last five years
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Can metamemory judgements predict the risk of memory contamination for facial descriptions?
Mojtahedi, D., Williams, T. J. V., Hunt, D., Ioannou, M., Synnott, J., Tzani, C. & van der Kemp, J., 1 Feb 2026, In: Legal and Criminological Psychology. 31, 1, p. 50-63 14 p.Research output: Contribution to journal › Article › peer-review
Open Access1 Link opens in a new tab Citation (Scopus) -
How the actions of fictional characters influence copycat offenders
Rogers, L., Ioannou, M., Tzani, C. & Williams, T. J. V., 20 Feb 2026, (Accepted/In press) In: Deviant Behavior.Research output: Contribution to journal › Article › peer-review
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What increases the likelihood of intimate partner homicide perpetration by women? A review of circumstances surrounding women who kill their intimate partners
Crosland, S., Tzani, C. & Ioannou, M., 10 Feb 2026, (Accepted/In press) In: Assessment and Development Matters.Research output: Contribution to journal › Review article › peer-review
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When Empathy Turns Inside Out: Social Media, Hybristophilia, and the Moral Shifts of Gen Z Women
Ioannou, M. & Tzani, C., 10 Feb 2026, (Accepted/In press) In: Assessment and Development Matters.Research output: Contribution to journal › Article › peer-review
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Are social media platforms blurring the lines between coercive control and healthy relationship? A study investigating perceptions of coercive control
Scothorne, H., Tzani, C., Ioannou, M., Lester, D., Rogers, L., Williams, T. J. V., Synnott, J. & Darmanin Kissaun, G., 1 Jul 2025, In: Computers in Human Behavior. 168, 8 p., 108649.Research output: Contribution to journal › Article › peer-review
Open Access1 Link opens in a new tab Citation (Scopus)
Activities
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Cyber Enabled Violence Against Women and Girls Workshop
Adkins, M. (Organiser), Ioannou, M. (Organiser) & Tzani Pepelasi, C. (Organiser)
29 Apr 2025Activity: Participating in or organising an event types › Organising a conference, workshop, ...
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Political Orientation and Sex Trafficking Victim Support: Examining the impact of right-wing authoritarianism and nationality on attitudes towards victims of sexual
Mojtahedi, D. (Speaker), Synnott, J. (Contributor to Paper or Presentation), Ioannou, M. (Contributor to Paper or Presentation) & Tzani Pepelasi, C. (Contributor to Paper or Presentation)
17 Jun 2024Activity: Talk or presentation types › Oral presentation
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Psychological Factors Leading to Sextortion
Fletcher, R. (Speaker), Tzani Pepelasi, C. (Contributor to Paper or Presentation), Ioannou, M. (Contributor to Paper or Presentation) & Williams, T. (Contributor to Paper or Presentation)
13 Jun 2024Activity: Talk or presentation types › Oral presentation
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Exploring a Typology of Sexual Homicide Offenders of Children in the United Kingdom
Traynor, J. (Speaker), Tzani Pepelasi, C. (Contributor to Paper or Presentation) & Ioannou, M. (Contributor to Paper or Presentation)
13 Jun 2024Activity: Talk or presentation types › Oral presentation
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How the Sarah Everard Case has Changed Public Perceptions of Police Officers
Herbert, S. (Speaker), Ioannou, M. (Contributor to Paper or Presentation), Tzani Pepelasi, C. (Contributor to Paper or Presentation) & Williams, T. (Contributor to Paper or Presentation)
13 Jun 2024Activity: Talk or presentation types › Oral presentation
Press/Media
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Understanding the link between suicidal ideation, mental disorders and digital self-harm
McLaughlin, M., Tzani Pepelasi, C., Lester, D., Williams, T. & Ioannou, M.
5/04/24
1 Media contribution
Press/Media: Research
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Digital love revolution: the future of online dating: Investigative psychology and online behaviours: influencing dynamics in dating and relationships
Tzani Pepelasi, C. & Ioannou, M.
6/03/24
1 Media contribution
Press/Media: Other
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Social Media Mis-/Disinformation and the Risk of Atrocities in the United States
Williams, T. J. V., Tzani Pepelasi, C. & Ioannou, M.
4/10/23
1 Media contribution
Press/Media: Research
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Discrepancies Between Social Media Policy and User Experience: A Preliminary Study of Extremist Content
Williams, T. J. V., Tzani Pepelasi, C. & Ioannou, M.
18/08/23
1 Media contribution
Press/Media: Expert Comment
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Tax returns: scams are rising rapidly – how to spot a fake phone call and avoid falling victim
Tzani Pepelasi, K., Ioannou, M. & Williams, T.
31/01/23
1 Media contribution
Press/Media: Expert Comment