Instead, it's currently tackling
specific classification problems, like whether someone is a contractor or an employee.
We found no assessment approaches to behavioral
problems specific for the first 3 years of life in the published literature, reflecting the absence of a universally accepted diagnostic
classification scheme for behavioral
problems in this age group.32 Behavior
problem checklists standardized for children beginning in the third year of life33, 34 have not been examined in terms of their effectiveness in pediatric practice.