What next best step should be taken for a 36-month-old child whose development appears normal?

When a 36-month-old child demonstrates normal development, the most appropriate next step is to reassure the parents. At this age, developmental milestones are crucial indicators of a child's growth, and if a healthcare provider has assessed the child and found that their development aligns with expected norms, it is essential to communicate this to the parents. This reassurance can help alleviate any concerns or anxieties they may have, fostering a positive environment for both the child and the family.

While other options may seem relevant in certain contexts, they would not be necessary or appropriate in this scenario. For instance, referring to a specialist or conducting additional tests would typically be indicated if there were signs of developmental delays or concerns. Offering educational resources could be beneficial, but is not as direct or immediate a response as providing reassurance when normal development has been confirmed. By prioritizing the reassurance of parents, the healthcare provider strengthens the trust in the parent-provider relationship, which is fundamental in pediatric care.