The transition from early childhood education to primary education is, in many countries, the beginning of compulsory education. This has meant that much of the research on this transition has focused on academic aspects such as literacy or logical-mathematical competence. The lines of research have changed, and in recent years, very diverse…

Approximately 20,000 children are adopted from foreign countries each year. Of these children, approximately 46% are adopted before they are 12 months old and 43% are adopted between 1 and 4 years of age. The development of children adopted from abroad before or by 2 years of age is the focus of this article. Given the impoverished language input…

We tested the effect of a Rotated Protocol Immersion package on the emergence of observing responses as prerequisites for more complex verbal developmental capabilities. Three elementary aged students between the ages of 6 and 7 participated. They were diagnosed with autism spectrum disabilities. The treatment condition consisted of total…

The social development of a female rhesus monkey was followed from birth until death, age 32 months. The monkey had an extra autosome and was hydrocephalic. The monkey showed serious motor deficiencies, delayed social development, poorly established dominance relationships, and heavy dependence on mother and kin. The monkey was, however, well…

Language acquisition and other developmental processes in children do not occur haphazardly, but rather follow a sequence that is well-established, and though subject to a moderate variation in detail from child to child, surprisingly uniform. This book provides information to parents concerning their children's development levels and attainments…