There is a wide range in developmental norms. How do we deal with this in practice?

Developmental norms vary widely, emphasizing the importance of focusing on the child and family through practical approaches. Establishing meaningful goals and understanding key aspects of development is crucial. A standardized understanding of developmental milestones is essential, as highlighted by research from Kate Crowe and the author in 2018, which analyzed speech development across 27 languages, revealing that children can typically produce nearly all consonants in their language by age five.