Fertility rates have fallen dramatically around the world. In some countries, there are no longer enough children being born to replace adult populations. The disappearance of children is a matter of concern matched only by fears that childhood is becoming too structured or not structured enough, too short or too long, or just simply too different…

This report details the findings from the first stage of a study of placement instability in substitute care in Illinois. Funded by the Illinois Department of Children and Family Services (IDCFS), the goals of the study were to develop an accurate picture of the nature and prevalence of placement instability in Illinois and a better…

The principle of motivation has resurfaced as an independent variable in the field of behavior analysis over the past 20 years. The increased interest is the result of the refinements of the concept of the motivating operation and its application to the learning needs of persons with developmental disabilities. Notwithstanding the increased…

Several methods for evaluating the influence of antecedents on challenging behaviour have been described in the literature, however the portability of these methods within the classroom has been questionable. The purpose of this paper will be to provide a practical understanding of evidence-based practices used in the assessment and management of…

The abuse of people with developmental disabilities has a long and horrific history, which extends from prehistoric to current times. Only in the past 20 or 30 years has society recognized that this abuse is a serious social problem and, with this recognition, research has been carried out on the topic. The limited research that has been done…