This paper presents a conceptual framework for improving preschool children’s cognitive skills using Project-Based Learning (PBL). The framework is based on constructivist and child-centered learning theories, emphasizing active exploration and collaboration. In English lessons, PBL encourages children to think critically, solve problems, and express creativity. The study argues that combining PBL with preschool education supports cognitive, linguistic, and social development through meaningful, hands-on activities.  

Project-based learning, preschool education, cognitive skills, early childhood, constructivism

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