Major developmental theories been a resource to early childhood education researchers and educators. They help to explain how child development unfolds, sources of vulnerability and protection that influences child development, and how the course of development may be altered by prevention and intervention efforts. Understanding factors which may…

Three hypotheses have been posited as competing explanations for the comorbidity or co-occurrence of language difficulties and behavioural problems among children: (1) language difficulties confer risk for behaviour problems, (2) behaviour problems confer risk for language difficulties, and (3) shared risk factors account for their co-occurrence.…