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Методология современных лонгитюдных исследований чтения
The article analyzes the challenges and prospects of longitudinal research in the field of reading. It examines the systemic limitations of classical longitudinal designs: the problem of unobserved variables, causality, and violations of metric invariance, which lead to erroneous or incomplete interpretation of results. The transition to hybrid research designs is substantiated as a promising direction for the development of longitudinal studies. Drawing on international and Russian longitudinal studies of reading, it is shown how the integration of the longitudinal approach with modern statistical methods for processing results and analyzing digital footprints enhances the reliability of the conclusions drawn. The scientific novelty lies in demonstrating the evolution of research tools from classical longitudinal studies to comprehensive models of longitudinal research. The results of the study indicate that modern hybrid designs form a methodological basis for evidence-based educational policy in the development of reading literacy