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About me

Dr. Kardefelt-Winther holds a PhD from the London School of Economics and Political Science and a post-doctoral research position in the Department of Clinical Neuroscience at Karolinska Institutet. He is a quantitative researcher with many years of experience in research coordination, survey design and multivariate statistics.

One of his main research interests is behavioral addiction, with a special interest in excessive use of technology and related cognitive, behavioral and health outcomes. Daniel is also involved in research and policymaking efforts regarding children’s internet use, online safety and child rights. He works at UNICEF's Office of Research in Florence, Italy, where he coordinates the Global Kids Online project, a multi-country comparative research project concerned with the risks and opportunities of digital technology and its impact on children's well-being.

In addition to research coordination, he supports UNICEF country offices with research expertise, methods development, training of researchers and research teams, fieldwork support, cross-national analysis and dissemination. Global Kids Online has so far been implemented in 9 low to middle income countries across 4 continents. Data has been collected from nearly 10,000 children and 5,000 parents, with more to come in 2018.

Daniel serves on the Editorial board of Addiction Research & Theory, a leading interdisciplinary peer-reviewed journal that examines addictive behavior from a variety of perspectives and methods of inquiry.


Selected peer-reviewed publications

Kardefelt-Winther, D. (2014). Problematizing excessive online gaming and its psychological predictors. Computers in Human Behavior, 31, p. 118-122.

Kardefelt-Winther, D. (2014). A conceptual and methodological critique of internet addiction research: towards a model of compensatory internet use. Computers in Human Behavior, 31, p. 351-354.

Kardefelt-Winther, D. (2014). The moderating role of psychosocial well-being on the relationship between escapism and excessive online gaming. Computers in Human Behavior, 38, p. 68-74.

Kardefelt-Winther, D. (2014). A critical account of DSM-5 criteria for internet gaming disorder. Addiction Research & Theory, Early Online, p. 1-6.

Kardefelt-Winther, D. (2014). Meeting the unique challenges of assessing internet gaming disorder. Addiction, 109, p. 1568-1570.

Kardefelt-Winther, D. (2015). Assessing diagnostic contribution of Internet Gaming Disorder criteria requires improved content, construct and face validity - a response to Rehbein and colleagues (2015). Addiction, 110, p. 1359-1360.

Kardefelt-Winther, D. (2015). Problems with atheoretical and confirmatory research approaches in the study of behavioral addictions. Journal of Behavioral Addictions, 4(3), p. 126-129.

Kardefelt-Winther, D. (2015). Making the case for hypothesis-driven theory testing in the study of Internet Gaming Disorder. Addictive Behaviors, DOI: 10.1016/j.addbeh.2015.09.012

Griffiths, M., van Rooij, A., Kardefelt-Winther, D., et al. (2016). Working towards an international consensus on criteria for assessing Internet Gaming Disorder: A critical commentary on Petry et al (2014). Addiction, 111, p. 167-175.

Kardefelt-Winther, D. (2016). Conceptualizing internet use disorders: addiction or coping process? Psychiatry and Clinical Neurosciences. doi: 10.1111/pcn.12413

Stoilova, M., Livingstone, S., & Kardefelt-Winther, D. (2016). Global Kids Online: Researching children′s rights globally in the digital age. Global Studies of Childhood, 6, p. 455-466

Kardefelt-Winther, D., Heeren, A., Schimmenti, A., Van Rooij, A. J., Maurage, P., Colder Carras, M., … Billieux, J. (2017). How can we conceptualize behavioral addiction without pathologizing common behaviors? Addiction, 1–7.

Pass, A., Kardefelt-Winther, D., & Franck, J. (2017). Internet addiction in patients with substance use disordersClinical Neuropsychiatry, 14(1), 29-33.

Van Rooij, A., & Kardefelt-Winther, D. (2017). Lost in the chaos: Flawed literature should not generate new disorders. Journal of Behavioral Addiction, 6(2), 128-132.

Kardefelt-Winther, D. (2017) How does the time children spend using digital technology impact their mental well-being, social relationships and physical activity? Innocenti Discussion Paper 2017-02, UNICEF Office of Research: Florence.


Research reports

Byrne, J., Kardefelt-Winther, D., Livingstone, S., & Stoilova, M. (2016) Global Kids Online research synthesis, 2015–2016. UNICEF and London School of Economics and Political Science. 

Byrne, J., Albright, K., & Kardefelt-Winther, D. (2016) From research findings to policy-making: children’s rights in a digital age. London: Global Kids Online.


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