Naina learnt from the elder sister, by watching the way she behaved in various social settings. This technique of learning is known as ______.

Modeling

The technique of learning that Naina is using is known as modeling.

Modeling is a type of observational learning in which people learn new behaviors by watching others. This technique is particularly effective for learning social skills, as it allows people to see how others behave in different situations and to imitate their behavior.

The other options listed, token economy, rational emotional therapy, and relaxation therapy, are not types of observational learning.

• A token economy is a system of rewards and punishments that is used to modify behavior.

• Rational emotional therapy is a type of psychotherapy that focuses on helping people to change their irrational beliefs.

• Relaxation therapy is a type of treatment that is used to reduce stress and anxiety.