Read the following statements and choose the correct option :

Assertion (A) : Interaction with more knowledgeable others, such as teachers and peers, can provide the necessary support and guidance to help learners develop their understanding and skills.

Reason (R) : Social interaction is a key component of learning and development.

The correct option is Both (A) and (R) are true and (R) is the correct explanation of (A).

Analysis of Assertion (A):
Assertion (A) states that interaction with more knowledgeable others, such as teachers and peers, can provide the necessary support and guidance to help learners develop their understanding and skills. According to Lev Vygotsky's Sociocultural Theory of Cognitive Development, learning takes place in social contexts. The concept of the "More Knowledgeable Other" (MKO) refers to someone who has a better understanding or a higher ability level than the learner regarding a specific task, process, or concept. Through guidance, scaffolding, and interaction with an MKO, learners are able to master skills within their Zone of Proximal Development (ZPD). Therefore, Assertion (A) is correct and true.

Analysis of Reason (R):
Reason (R) states that social interaction is a key component of learning and development. Vygotsky emphasized that social interaction plays a fundamental role in the process of cognitive development. Cognitive functions are developed through social activities and cultural context before being internalized individually. Hence, Reason (R) is also true.

Connection between (A) and (R):
Since social interaction is a foundational driver of learning and cognitive development (as stated in R), interactions specifically with teachers, mentors, and peers (MKOs) provide the precise structure, feedback, and support required for a learner to gain new skills and knowledge (as stated in A). Thus, Reason (R) provides the underlying theoretical explanation for why Assertion (A) occurs.