Institutional characteristics associated with increases in medical school class size

Financial implications of increasing medical school class size.

Class Size and School Progress

It is generally accepted that there are limits to the efficient educative contact between pupil and teacher. The number of pupils per teacher as set by the educational theorist varies from one to thirty or forty. In practice, classes of from fifteen to thirty are the rule in private schools where expense is not an all-important determining element. In public school systems where the budget must...

Demographic Characteristics Associated with Vulnerability of Oral Diseases among Primary School Students in Southern of Iran

Background: Oral diseases are one of the most common diseases in the world, and prevention of them is nowadays one of the health priorities. The aim of this study was to determine the demographic characteristics associated with vulnerability of oral diseases among primary school students in south of Iran.Materials and Methods: This cross-sectional study, conducted in Shadegan city, the South of...

Social Factors Associated with School Phobia in Elementary School Students

The present study was carried out to identify and analyze the social factors affecting school phobia in children in three domains of personal characteristics, parental expectations for children's educational attainment, and human and physical factors related to schools. The research method was survey and the statistical population of the study was comprised of 545 parents of Tehrani elementary ...

Culling experiments demonstrate size-class specific biomass increases with mortality.

Size-selective mortality inevitably leads to a decrease in population density and exerts a direct negative effect on targeted size classes. But density and population size structure are also shaped by food-dependent processes, such as individual growth, maturation, and reproduction. Mortality relaxes competition and thereby alters the dynamic interplay among these processes. As shown by the rec...