Executive Summary Recent advances in policy development and professional practice in the field of early childhood education and care have led to the expectation that it is appropriate and advantageous to include children with disabilities (special needs) in community-based early child care and learning programs. As more efforts are made to provide opportunities for young children with special n...

While there is a growing interest for componentbased systems in industry,little effort has so far been devoted to quality evaluation of these systems. This paper presents the definition of measures for two quality factors, namely robustness and “diagnosability” for the special case of OO systems for which thee approach known as Design by Contract has been used. The main steps in constructing th...