			Home About us Contact

Revolving Door (revolving + door)

Distribution by Scientific Domains

Medical Sciences	50%

Selected Abstracts

Stopping the Revolving Door: Increasing Teacher Retention

POLITICS & POLICY, Issue 5 2008
Sam Brill
Schools around the nation are facing an alarming phenomenon: beginning teachers are leaving schools at a startling rate. Thirty-three percent of teachers leave their schools in the first three years, 46 percent after five years. These high attrition rates result in inexperienced teachers, high economic costs as teachers must be continually hired and trained, and a lack of continuity that makes institutional development and planning difficult. There is a plethora of causes for teacher attrition, although most involve nonsalary-related dissatisfaction, such as excessive workloads and high-stakes testing, disruptive student behavior, poor leadership and administration within schools, and views of teaching as a temporary profession. Likewise, the most successful remedies to increase teacher retention are not salary-based. Several studies have found that moderate salary increases are only marginally effective; raises of 20 percent would be needed to make a significant impact. Rather, improving teachers' work environment and professional development are more cost effective and influential in convincing teachers to remain. An induction and mentoring program in California, for example, reduced teacher attrition by 26 percent in just two years. We conclude, therefore, that well-operated induction and mentoring programs are the best method for increasing teacher retention. [source]

Revolving Doors: New Zealand's Health Reforms , The Continuing Saga

AUSTRALIAN AND NEW ZEALAND JOURNAL OF PUBLIC HEALTH, Issue 4 2010
Article first published online: 3 AUG 2010
No abstract is available for this article. [source]

The life and death of gene families

BIOESSAYS, Issue 1 2009
Jeffery P. Demuth
Abstract One of the unique insights provided by the growing number of fully sequenced genomes is the pervasiveness of gene duplication and gene loss. Indeed, several metrics now suggest that rates of gene birth and death per gene are only 10,40% lower than nucleotide substitutions per site, and that per nucleotide, the consequent lineage-specific expansion and contraction of gene families may play at least as large a role in adaptation as changes in orthologous sequences. While gene family evolution is pervasive, it may be especially important in our own evolution since it appears that the "revolving door" of gene duplication and loss has undergone multiple accelerations in the lineage leading to humans. In this paper, we review current understanding of gene family evolution including: methods for inferring copy number change, evidence for adaptive expansion and adaptive contraction of gene families, the origins of new families and deaths of previously established ones, and finally we conclude with a perspective on challenges and promising directions for future research. [source]

Mental Health and Emergency Medicine: A Research Agenda

ACADEMIC EMERGENCY MEDICINE, Issue 11 2009
Gregory Luke Larkin MD
Abstract The burden of mental illness is profound and growing. Coupled with large gaps in extant psychiatric services, this mental health burden has often forced emergency departments (EDs) to become the de facto primary and acute care provider of mental health care in the United States. An expanded emergency medical and mental health research agenda is required to meet the need for improved education, screening, surveillance, and ED-initiated interventions for mental health problems. As an increasing fraction of undiagnosed and untreated psychiatric patients passes through the revolving doors of U.S. EDs, the opportunities for improving the art and science of acute mental health care have never been greater. These opportunities span macroepidemiologic surveillance research to intervention studies with individual patients. Feasible screening, intervention, and referral programs for mental health patients presenting to general EDs are needed. Additional research is needed to improve the quality of care, including the attitudes, abilities, interests, and virtues of ED providers. Research that optimizes provider education and training can help academic settings validate psychosocial issues as core components and responsibilities of emergency medicine. Transdisciplinary research with federal partners and investigators in neuropsychiatry and related fields can improve the mechanistic understanding of acute mental health problems. To have lasting impact, however, advances in ED mental health care must be translated into real-world policies and sustainable program enhancements to assure the uptake of best practices for ED screening, treatment, and management of mental disorders and psychosocial problems. [source]