Final answer:
The situation described is an example of secure attachment in infancy. Secure attachment involves a strong emotional bond formed through consistent and responsive care, promoting a positive parent-infant bond.
Step-by-step explanation:
The situation described in the question is an example of secure attachment in infancy. Secure attachment refers to a strong emotional bond between the infant and their caregiver, which is formed through consistent and responsive care. When an infant feels secure and content, they are more likely to explore their environment and engage in positive interactions with their parents. This promotes a positive parent-infant bond and enhances the overall well-being of both parties.