Dr. Greta Kaluževičiūtė, Department of Clinical Psychology, Institute of Psychology, Faculty of Philosophy, Vilnius University, Lithuania2026-06-242026-05-23https://doi.org/10.67242/conference-2026-01https://doi.org/10.67242/conference-2026-01https://repo.usfu.edu.ua/handle/123456789/34This presentation critically examines the epistemological status of case studies (N=1 designs) in psychotherapy research. While dominant evidence-based paradigms prioritise large-scale, quantitative methodologies, psychotherapy as a relational and context-dependent practice raises fundamental questions about the adequacy of such approaches for capturing clinical reality. Drawing on selected case material, the presentation demonstrates how in-depth single-case studies generate forms of knowledge that are not merely supplementary but constitutive of the field itself – particularly in illuminating unconscious processes, therapeutic dynamics, and transformations over time. Rather than treating case studies as lower in the hierarchy of evidence, it positions them as a primary site of knowledge…enConference Paper