We all think of a marathon as a long-distance running event with an official distance of 42.195 kilometers (26 miles and 385 yards). Throughout time marathon runners have pursued their longest goals by allowing their body to adapt to the new stresses through training. Training for a marathon takes intense preparation, dedication and skill. It is…

A problem that has been the focus of much recent research in privacy preserving data-mining is the frequent itemset hiding (FIH) problem. Identifying itemsets that appear together frequently in customer transactions is a common task in association rule mining. Organizations that share data with business partners may consider some of the frequent…

Ralph LaRossa's (2012) thoughtful piece suggested that qualitative researchers' self-awareness (and clear articulation) of their conceptual and empirical goals can help their manuscripts in many ways, including during the review process. If authors self-consciously embrace particular orientations, then it will be easier for reviewers to evaluate…

The use of Information and Communication Technologies (ICT) tools to support learning activities is nowadays generalized. Several educational registries provide information about ICT tools in order to help educators in their discovery and selection. These registries are typically isolated and require much effort to keep tool information up to…

This article reports on new statistics which show that students with disabilities and black students are most likely to be restrained or isolated in school. As part of its most recent data collection, the U.S. Department of Education's office for civil rights asked more than 72,000 public schools to report how many students were isolated or…

The positioning of eleven teachers towards an innovation was studied in the light of ownership, sense-making and agency. Semi-structured and video-stimulated interviews were used for data collection. The findings show that these three concepts are useful for describing similarities and differences between teachers in terms of their positioning…

The current study examines the relationship between external job mobility and salary for employees in different career stages. Based on career stage and career timetable theories, we predict that external job mobility would generate the greatest salary benefits for early-career employees whereas external job mobility would generate fewer salary…

According to national indicators of adolescent health and well-being, mental health is one of the most significant health issues young people face. Since mental health is linked to other aspects of health and well-being, undiagnosed and untreated mental health conditions can negatively impact a young person's social-emotional health, academic…

The COVID-19 pandemic has fundamentally changed the ways schools and other youth-serving agencies are operating. To prevent the continued spread of the virus, many schools and agencies have moved to virtual only or hybrid virtual/in-person activities. Along with adapting many other activities, schools and agencies' approaches to bullying…

The abrupt shift to distance learning at the onset of the COVID-19 crisis exacerbated inequalities in California's K-12 system and added urgency to an ongoing discussion about the role of high school graduation policy in promoting equitable student outcomes. More rigorous graduation requirements, particularly in math and science, can improve…

Each year, Austin Independent School District Department of Research and Evaluation (DRE) staff develop a plan of work to describe the scope of work for the coming year. The plans that make up this document identify programs to be evaluated and services to be provided by DRE staff and provide the blueprints for evaluation that staff will follow…

The purpose of this study is to carry out a content analysis about the studies on teachers' professional development and to determine the tendencies in these studies. Within this scope, 60 studies that were registered to Turkish National Thesis Centre and ProQuest database between the years 2005-2015 were examined. Of the 60 studies, 37 of them…

Objectives: Health is a central and important concept in nursing and nursing education, and has been theorised about in both positive and negative terms. The purpose of this study was to explore Swedish nursing students' perceptions of the concept of health. Design: A phenomenographic research approach was used to understand how nursing students…

There are usually limited user evaluation of resources on a recommender system, which caused an extremely sparse user rating matrix, and this greatly reduce the accuracy of personalized recommendation, especially for new users or new items. This paper presents a recommendation method based on rating prediction using causal association rules.…

There is much agreement among chemical education researchers that expertise in chemistry depends in part on the ability to coordinate understanding of phenomena on three levels: macroscopic (observable), sub-microscopic (atoms, molecules, and ions) and symbolic (chemical equations, graphs, etc.). We hypothesize this "level-coordination…