निम्नलिखित में से कौन सी गतिविधि छोटे बच्चों में दूसरे बच्चों के प्रति संवेदनशीलता विकसित करने में मदद करती है?

During a group project, a 10-year-old takes turns leading and listening, showing concern for a teammate who is upset. Which stage-specific trait is the child displaying?

A caregiver consistently responds warmly when a toddler cries or seeks comfort. Over time, the child develops confidence in exploring the environment and returns to the caregiver when feeling insecure. This situation best illustrates the concept of: