Which of the following is a Piagetian construct in the context of cognitive development of children?

Schemas are a fundamental Piagetian construct referring to mental frameworks or structures that help individuals organize and interpret information. Piaget proposed that children develop and modify schemas through processes of assimilation and accommodation. Observational learning is associated with Albert Bandura's social learning theory, while conditioning and reinforcement are concepts from behaviorism associated with theorists like Pavlov, Watson, and Skinner.