CONCEPTUAL ANALYSIS article
Front. Dev. Psychol.
Sec. Cognitive Development
Volume 3 - 2025 | doi: 10.3389/fdpys.2025.1666080
This article is part of the Research TopicInsights and Future Directions in Cognitive DevelopmentView all 7 articles
Back to the Test: Popper's Neglected Legacy in Bilingual Advantage Research
Provisionally accepted
- The University of Western Ontario, Ontario, Canada
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Cognitive developmental science has made unprecedented progress in the last 50 years but has also seen many seminal findings fail to replicate. Adopting the bilingual advantage in children's attention control as a case study, we draw a connection between the replication crisis playing out in selected quarters of our field and a wavering commitment to the principles of classical hypothesis testing. Moving forward, we suggest open-science practices as a way of ensuring scientific hypotheses remain falsifiable and unconfirmed.
Keywords: bilingual advantage, replication crisis, Falsification, cognitive development, Psychological Development, hypothesis testing, Open Science
Received: 15 Jul 2025; Accepted: 30 Sep 2025.
Copyright: © 2025 Marshall and Morton. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence: Samuel Marshall, smarsh95@uwo.ca
Disclaimer: All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article or claim that may be made by its manufacturer is not guaranteed or endorsed by the publisher.