Federal Advisory Committees ... Annual Report of the President, Covering the Calendar Year .. PDF Download
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Author:
Publisher:
ISBN:
Category : Executive advisory bodies
Languages : en
Pages : 664
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Book Description
Author:
Publisher:
ISBN:
Category : Executive advisory bodies
Languages : en
Pages : 664
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Book Description
Author: United States. Department of Health, Education, and Welfare. Media and Publication Management Information Staff
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 606
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Book Description
Author: United States. Congress. House. Committee on Appropriations
Publisher:
ISBN:
Category : Finance, Public
Languages : en
Pages : 1312
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Book Description
Author: National Research Council
Publisher: National Academies
ISBN: 0309040280
Category : Education
Languages : en
Pages : 361
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Book Description
Biology is where many of science's most exciting and relevant advances are taking place. Yet, many students leave school without having learned basic biology principles, and few are excited enough to continue in the sciences. Why is biology education failing? How can reform be accomplished? This book presents information and expert views from curriculum developers, teachers, and others, offering suggestions about major issues in biology education: what should we teach in biology and how should it be taught? How can we measure results? How should teachers be educated and certified? What obstacles are blocking reform?
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1240
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Book Description
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 2248
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Book Description
Author: United States. Congress. Senate. Committee on Governmental Affairs. Subcommittee on Reports, Accounting, and Management
Publisher:
ISBN:
Category : Executive advisory bodies
Languages : en
Pages : 1358
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Book Description
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309158141
Category : Medical
Languages : en
Pages : 162
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Book Description
Randomized clinical trials are the primary tool for evaluating new medical interventions. Randomization provides for a fair comparison between treatment and control groups, balancing out, on average, distributions of known and unknown factors among the participants. Unfortunately, these studies often lack a substantial percentage of data. This missing data reduces the benefit provided by the randomization and introduces potential biases in the comparison of the treatment groups. Missing data can arise for a variety of reasons, including the inability or unwillingness of participants to meet appointments for evaluation. And in some studies, some or all of data collection ceases when participants discontinue study treatment. Existing guidelines for the design and conduct of clinical trials, and the analysis of the resulting data, provide only limited advice on how to handle missing data. Thus, approaches to the analysis of data with an appreciable amount of missing values tend to be ad hoc and variable. The Prevention and Treatment of Missing Data in Clinical Trials concludes that a more principled approach to design and analysis in the presence of missing data is both needed and possible. Such an approach needs to focus on two critical elements: (1) careful design and conduct to limit the amount and impact of missing data and (2) analysis that makes full use of information on all randomized participants and is based on careful attention to the assumptions about the nature of the missing data underlying estimates of treatment effects. In addition to the highest priority recommendations, the book offers more detailed recommendations on the conduct of clinical trials and techniques for analysis of trial data.
Author:
Publisher:
ISBN:
Category : Medical education
Languages : en
Pages : 16
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Book Description
Author: National Library of Medicine (U.S.)
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages :
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Book Description
First multi-year cumulation covers six years: 1965-70.
