According to Lev Vygotsky's Sociocultural Theory of Development, which of the following psychological statements is most authentic and scientifically valid regarding the Zone of Proximal Development (ZPD), Scaffolding, collaborative problem solving, inner speech, and cultural tools?

Explanation of Vygotsky's Sociocultural Theory

According to Lev Vygotsky's Sociocultural Theory, the Zone of Proximal Development (ZPD) represents the gap between what a learner can do independently and what they can achieve with guidance and encouragement from a More Knowledgeable Other (MKO).

• Scaffolding: It is a temporary form of support provided by the MKO which is gradually withdrawn as the learner gains competence.
• Option B accurately captures this psychological definition.
• Options A, C, and D contain scientifically incorrect interpretations regarding scaffolding permanency, language-cognition independence, and the nature of inner speech.