Vygotsky's key concepts in classroom instruction highlight the social aspects of learning. Among the provided options, the most fitting fourth concept is social learning , which aligns with Vygotsky's theories. This concept underlines the significance of social interaction and cultural context in cognitive development. ;
Vygotsky's theories include key concepts such as the zone of proximal development, cognitive apprenticeship, and scaffolding. The fourth concept that aligns with these theories is social learning, emphasizing the importance of social interactions in cognitive development. Therefore, the correct answer is C. Social Learning.
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