Constructivism is a theory of learning which holds that knowledge is not passively received from an external source but actively constructed by learners as they interact with their environment, experiences, and social contexts. According to constructivist thought, learning is a process of meaning-making where individuals interpret new information in the light of their prior knowledge, beliefs, and experiences. Learners are seen as active participants rather than empty vessels, and understanding emerges through exploration, reflection, problem-solving, and dialogue. Constructivism emphasizes that learning is subjective, contextual, and often socially mediated, making it particularly relevant for contemporary educational settings such as Open and Distance Learning where learners are diverse, autonomous, and geographically dispersed. Constructivism has evolved through different schools of thought, most notably cognitive constructivism associated with Jean Piaget and social constructivism associated with Lev Vygotsky. Cognitive constructivism focuses on the individual learner and the internal processes through which knowledge is constructed. Piaget emphasized stages of cognitive development and the role of assimilation and accommodation in learning, suggesting that learners actively reorganize their mental structures when confronted with new experiences. Social constructivism, on the other hand, highlights the role of social interaction, language, and culture in learning. Vygotsky introduced concepts such as the Zone of Proximal Development and scaffolding, arguing that learning occurs most effectively when learners engage in tasks slightly beyond their current ability with the support of more knowledgeable others. Both perspectives underscore the active, dynamic, and contextual nature of learning, which has significant implications for instructional design in ODL systems. In the context