Which psychologist talked about private speech for self-regulation?

→ 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? → 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? → With reference to Lev Vygotsky's socio-cultural theory of development, while micro-analyzing the concepts of 'Zone of Proximal Development' (ZPD) and 'Scaffolding', which of the following statements most accurately defines the interrelationship between these two concepts and their cognitive functioning? → With reference to Lev Vygotsky's socio-cultural theory, which of the following statements is psychologically most accurate regarding the development of 'Private Speech' and 'Inner Speech'? → Zone of Proximal Development and Scaffolding are some of the key processes of child development. Who gave these terms? → Whose socio-cultural theory of learning explains that learning occurs during social interactions between individuals? → What does the 'Zone of Proximal Development' (ZPD) mean in Vygotsky's 'Socio-Cultural Theory'? → The concept of 'Scaffolding' in education was introduced by which of the following theorists?