With data from the New Brunswick School Climate Study (N = 6,883 students from 147 schools), this study examined individual differences in and school effects on health outcomes of students. Results of hierarchical linear modeling showed that females reported experiencing more physical health...

Using data from the Longitudinal Study of American Youth (LSAY), hierarchical linear models (HLMs) were used to model the growth of student science achievement in three areas (biology, physical science, and environmental science) during middle and high school. Results showed significant growth...

The authors use Canadian data from the Third International Mathematics and Science Study to examine six instructional methods that mathematics teachers use to introduce new topics in mathematics on performance of eighth-grade students in six mathematical areas (mathematics as a whole, algebra,...

The authors evaluated the effectiveness of the Quality Improvement System (QIS) developed and implemented by Children's Services Council of Palm Beach County (Florida) as a voluntary initiative to improve the quality of childcare and education. They adopted a growth model approach to investigate...

Life cycle approaches are critical for identifying and reducing environmental burdens of products. While these methods can indicate potential environmental impacts of a product, current Life Cycle Assessment (LCA) methods fail to integrate the multiple impacts of a system into unified measures...

Since the impoundment of the Three Gorges Reservoir in June 2003, numerous preexisting landslides have been reactivated. This paper seeks to find the factors influencing landslide deformation and the relationship between displacement and fluctuation of the reservoir water level, while the...

China's food processing sector has arrived at a critical stage and the challenges for the food industry including undergoing relevant structural adjustments are well documented (OECD 2000). The Chinese domestic economy continues to boom and living standards of people continue to improve. Food...

Using data from the National Longitudinal Survey of Children and Youth, the current study examines behavioural and emotional problems of immigrant children, in comparison with non-immigrant children. Multi-level analyses (children nested within cities) showed that immigrant children fared better...

To ensure the future food self-sufficiency in China, it is necessary to mobilize producers' enthusiasm for growing grain. Theoretically, it is mainly influenced by economic interests, land scale, farmers' characteristics and agricultural support policy. Through field research of farmers, we use...