Safeguarding the Science of Lifespan Mental Health: A Special Issue on Replication, Translational Research, and Scientific Integrity
Deadline for manuscript submissions: 31 December 2026.
Guest Editor (1)
Prof. Dr. Marinus van IJzendoorn
Department of Psychiatry, Faculty of Medicine Nursing and Health Sciences, Monash University, Melbourne, Australia;
Research Department of Clinical, Educational and Health Psychology, Division on Psychology and Language Sciences, Faculty of Brain Sciences, UCL, London, UK
Interests: Developmental Psychology; Developmental Psychopathology; Parenting and Child Development; Genetics
School of Psychology, Capital Normal University, Beijing, China
Interests: Early-Life Origins of Child Psychopathology; Attachment and Neurodevelopment; Maternal Caregiving Systems and Intergenerational Transmission of Mental Health Risk
Developmental psychology generates knowledge with far-reaching implications for education, parenting, clinical practice, and public policy. Yet growing concerns about replication, research translation, and scientific integrity have prompted renewed reflection on what constitutes “significant” evidence in developmental science. These concerns are not simply technical but raise deeper questions about theory, context, ethics, and responsibility in studying human development.
This Special Issue centers on Matters of Significance (available as a free open-access volume from UCL Press: https://discovery.ucl.ac.uk/id/eprint/10186829/1/Matters-of-Significance.pdf; a Chinese translation is forthcoming) and uses it as a focal point for critical book reviews, commentaries, and integrative reflections on contemporary challenges in developmental psychology—primarily review- and commentary-oriented, it invites critical engagement with Matters of Significance as a starting point for broader reflection on replication, translational research, and scientific integrity in the field. Rather than emphasizing new empirical findings, the issue foregrounds reflective scholarship that examines standards of evidence, the role of context and developmental timing, and the societal consequences of developmental research; contributors are invited to engage with the issue’s core arguments and extend them through disciplinary dialogue, methodological critique, and conceptual analysis, with contributions expected to be theoretical, integrative, or meta-scientific in nature (though empirical data may be used to underpin or illustrate theoretical and methodological perspectives). By bringing together diverse perspectives, this Special Issue aims to foster a more reflexive, rigorous, and ethically grounded developmental science—one that carefully balances robustness, relevance, and responsibility.
Particular attention is given to how replication should be understood in developmentally sensitive research, how findings can be responsibly translated into practice without oversimplification, and how scientific integrity and academic freedom shape trustworthy knowledge production. Topics of interest include, but are not limited to, the following:
Conceptual interpretations of replication and reproducibility in developmental psychology, with attention to developmental timing, contextual and sociocultural variability, and theory-driven expectations;
Critical reviews of replication debates in developmental science, including lessons learned from failed, partial, or context-dependent replications;
Theoretical and ethical analyses of translational research in developmental psychology, focusing on when, how, and whether research findings should be applied to practice or policy;
Reconsidering “research significance” beyond statistical criteria, including robustness, explanatory value, developmental meaning, and societal consequences;
Meta-scientific perspectives on evidence accumulation, knowledge synthesis, and the limits of generalization in developmental research;
Integrative commentaries and scholarly reviews of Matters of Significance, addressing its implications for research design, evidence evaluation, and the responsibilities of developmental scientists.
