Geyer, K., Ellis, D.A., Shaw, H., & Davidson, B.I., (2020), Open source smartphone apps and tools for measuring, quantifying, and visualizing screentime, PsyArXiv, link, [V3]; tutorial video

Panayiotou, M., Davidson, B.I., & Black, L. (2020), Measures of social media use for children and adolescents: a systematic review. PROSPERO, link, [Preregistration]

Parry, D.A, Davidson, B.I., Sewall, C., Fisher, J.T., Mieczkowski, H., Quintana, D. (2020), A Meta-Analysis of Associations Between Log-Based and Self-Reported Digital Technology Use, OSF, link, [Preregistration]

Shaw, H., Ellis, D. A., Geyer, K., Davidson, B.I., Ziegler, F., & Smith, A. (2020), Subjective reports overstate the relationship between screen time and mental health. PsyArXiv, link [V1]


Satchell, L., Fido, D., Harper, C., Shaw, H., Davidson, B.I., Ellis, D. A., Hart, C., Jalil, R., Bartoli, A., Kaye, L., Lancaster, G., and Pavetich, M., (2020), Development of an Offline-Friend Addiction Questionnaire (O-FAQ): Are most people really social addicts? PsyArXiv, link [V1]

Davidson, B.I. Shaw, H., & Ellis, D.A., (2020), Fuzzy Constructs in Assessment: The Overlap between Mental Health and Technology 'Use', PsyArXiv, link [V2]


Davidson, B.I. & Ellis, D.A., (2019), Avoiding Irrelevance: The Manifestation and impacts of technophobia in psychological science, PsyArXiv, link [V2]

Ellis, D.A., Davidson, B.I., Shaw, H., & Geyer, K., (2018), Do smartphone usage scales predict behavior?PsyArXiv, link [Post-print; published in IJHCS]

Shaw, H., Ellis, D.A., Geyer, K., Ziegler, F., & Davidson, B.I. (2018), Quantifying smartphone 'use': Choice of measurement impacts relationships between 'usage' and health, OSF, link, [Preregistration]



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