Which psychologist placed greater emphasis on the role of language in cognitive development?

→ Under Lev Vygotsky's sociocultural theory, when deeply analyzing the concepts of 'Zone of Proximal Development' (ZPD) and 'Scaffolding', which of the following statements most accurately highlights the actual philosophical and cognitive nature of this process? → In Lev Vygotsky's theory of socio-cultural development, analyzing the essential dynamics of 'Cultural Tools' and 'Mediation', if a child develops their higher mental functions through community language, writing systems, symbols, or technical tools like computers, which of the following statements is most authentic and scientifically true according to Vygotsky's theory? → According to Lev Vygotsky's sociocultural theory, what is the role of 'cultural tools' and 'sign systems' in children's cognitive development, and how do they influence it? → According to Lev Vygotsky's socio-cultural theory, which of the following statements provides the most accurate and analytical explanation regarding the concepts of 'Zone of Proximal Development' (ZPD) and 'Scaffolding' in children's cognitive development? → In which stage of cognitive development is a child unable to follow the law of conservation? → Which of the following is not a stage of Piaget's theory of cognitive development? → Which domain is also known as the conative domain of learning? → What are the evidences of a high level of cognitive development?