Importantly, the control group consisted of a mix of young boys commonly seen in community clinics, with typical development, mild language delay, transient language delay and global developmental delay. (sciencedaily.com)
Most of these behaviors are considered typical development for toddlers, but, sometimes, the issues can stretch a little farther and be a significant problem for toddlers. (twiniversity.com)
The breakdown of typical development by age and stage and how that impacts discipline is particularly helpful. (amazon.com)