Hybrid proteins, heterosis and the origin of species--I. Unusual variation of polychaete Hyalinoecia "nothing dehydrogenases" and of quail Coturnix erythrocyte enzymes.
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Biomedical subjects
Publications and source records attributed to C M Baker.
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This study examines the state of the art in master's nursing education in the United States in light of projected national trends in the health care delivery system. The specific questions addressed are: What are the general characteristics of master's programs, including admission requirements and prerequisites, program requirements, major and minor areas of clinical concentration, functional role preparation, and career mobility options? What is the curricular organization, particularly with respect to required core courses? Is there a difference between master's programs in schools with a doctoral program in nursing and those with master's programs only? Is there a difference between master's programs with public support and master's programs with private support? Data were collected from 175 accredited master's programs in 1990. Study results and the projected trends derived from Nursing's Agenda for Health Care Reform, Healthy People 2000: National Health Promotion and Disease Prevention Objectives, and Healthy America: Practitioners for 2005 provide the foundation for recommendations. Recommendations are organized around communication and curricular issues that master's nursing education needs to address as the profession approaches the 21st century.
Assessing the quality of academic institutions involves much more than the opinions of peers or experts. Examination of the organizational effectiveness of schools of nursing has been neglected. Current emphasis on assessing educational outcomes has diverted attention from the construct, organizational effectiveness, and more comprehensive theory-driven approaches to evaluation. This review of the organizational effectiveness literature focuses on the major assessment models: goal attainment, human relations, open systems, internal processes, culture, and life cycle. Attention is given to the influence of organizational maturation on an integrated model of organizational effectiveness. Selected macrolevel studies of schools of nursing are examined, and an agenda for nursing research is proposed.
Problem-based learning (PBL) is a philosophy and teaching method that structures knowledge in clinical contexts, strengthens motivation to learn, develops clinical reasoning skills, and enhances self-directed and life-long learning. During the past 30 years, PBL has been implemented in schools of medicine worldwide, including 100 of the 126 schools in the United States. This article reviews the international PBL literature and focuses on the key aspects of this paradigm in educating health professionals: recent history and worldwide diffusion, basic characteristics and rationale, typical case presentation, student and tutor roles, and data-based outcomes. Conclusions from selected meta-analytic studies of assessment are described and discussed. The potential of PBL for nursing education is examined. Key implementation issues are identified, including the challenge to persuade faculty to move from efficient teaching to effective learning.
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Advancing technology and healthcare reform necessitate continuing nursing education to maintain competence. This study assesses the knowledge and skills needed to function as a director of continuing nursing education in a variety of settings, estimates the supply of qualified applicants for vacant director positions, and identifies essential academic needs of someone preparing for the director's position.
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A 15 degree wedge inserted half way into the radiation field can be used effectively as a tissue compensator, in some cases reducing dose inhomogeneity by as much as 25%. The 15 degrees half wedge dosimetry and its application to a specific therapy technique is discussed in this article.
The future of the nursing profession is strengthened by the expansion of nursing science and its integration with nursing practice, the hallmarks of doctoral education. Launching a doctoral programme in nursing is a monumental venture into the main stream of higher education; consequently, the readiness to begin such an effort must be carefully assessed.