Previous studies on inferring the origin of routing changes in the Internet are limited to failure events that generate a large number of routing changes. In this paper, we present a novel approach to origin inference of small failure events. Our scheme focuses on routing changes imposed on preferred paths of prefixes and not on transient paths triggered by path exploration. We first infer the ...

Study of students' knowledge about global warming can help authorities to have better imagination of this critical environmental problem. This research examines high school students' ideas about greenhouse effect and the results may be useful for the respective authorities to improve cultural and educational aspects of next generation. In this cross-sectional study, a 42 question questionnaire ...

Abstract Parents in Iran, China and the United States were asked 1) about their potential influence on children’s religious scientific views 2) to consider a situation which children expressed dissent. Iranian US parents endorsed beliefs two domains. By contrast, Chinese claimed more domain of science than religion. Most spoke influencing via Parent-only mechanisms each (e.g., discussion, teach...

language teacher assessment, like many aspects of second language teacher education, is changing. to understand factors that are driving the change, such as work of teaching generally, language teaching in particular, and the role of teachers’ knowledge in teaching, this study examined language teacher assessment schemes across the globe. the aim was to arrive at a set of shared beliefs, attitu...

A Pseudomonas aeruginosa strain (UCBPP-PA14) is infectious both in an Arabidopsis thaliana leaf infiltration model and in a mouse full-thickness skin burn model. UCBPP-PA14 exhibits ecotype specificity for Arabidopsis, causing a range of symptoms from none to severe in four different ecotypes. In the mouse model, UCBPP-PA14 is as lethal as other well-studied P. aeruginosa strains. Mutations in ...

BACKGROUND During the last two decades, medical education in Iran has shifted from elite to mass education, with a considerable increase in number of schools, faculties, and programs. Because of this transformation, it is a good case now to explore academic leadership in a non-western country. The objective of this study was to explore the views on effective academic leadership requirements hel...

BACKGROUND Sexual practices as an important aspect of reproductive health have many physical and psychological effects on people's lives, there is limited evidence on such practices and their pattern among Iranian women. Hence we aimed to determine different types of sexual practices among 19-45 year old married Iranian women. METHODS This cross-sectional study was conducted among 200 married...