crossbite is a term used to indicate an abnormal buccolingual (labiolingual) relationship of the teeth and can results in unfavorable effects when it is left untreated.the last growth spurt which occurs about the age of 11-12 years in females and 14-15 years in males,can be useful to plan treatment of this malocclusion.therefore,this investigation was designed to determine the prevalence of den...

The first step in constructing timetables in secondary schools in Netherlands consists of constructing the clusterschemes for the higher classes. A clusterscheme contains clusterlines with optional subjects that will be taught in parallel; the problem is to divide these optional subjects in clusterlines, such that the number of hours needed is as low as possible. We describe an efficient branch...

background: pediculosis capitis is a problem in children and has worldwide distribution. the aim of the present study was to determine the prevalence of pediculosis degree and its relevant factors in the secondary schools in hamadan west of iran. methods: the study was carried out in two phases. a cross-sectional procedure was used to determine the prevalence of pediculosis, and the case study ...

Acknowledgement This preliminary research is possible thanks to a grant from the Dean of Education Office at The University of Western Ontario. The grant program is set up to give faculty members the opportunity to formulate larger research grant proposals as well as investigate issues related to policy and planning in formal education. In this instance I want to pursue a historical and present...

This paper aims to explore the model of curriculum evaluation in use in the Queensland senior secondary school system in ways that lead to identification of some elements of effective curriculum evaluation. It does this by exploring the broad orientation of the Queensland senior system in the context of some key questions about the nature, development and conceptualisation of curriculum evaluat...