Size Effect An Overview

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Doing Meta-Analysis with R

Author : Mathias Harrer
Publisher : CRC Press
ISBN 13 : 1000435636
Total Pages : 500 pages
Book Rating : 4.0/5 (4 download)

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Book Synopsis Doing Meta-Analysis with R by : Mathias Harrer

Download or read book Doing Meta-Analysis with R written by Mathias Harrer and published by CRC Press. This book was released on 2021-09-15 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt: Doing Meta-Analysis with R: A Hands-On Guide serves as an accessible introduction on how meta-analyses can be conducted in R. Essential steps for meta-analysis are covered, including calculation and pooling of outcome measures, forest plots, heterogeneity diagnostics, subgroup analyses, meta-regression, methods to control for publication bias, risk of bias assessments and plotting tools. Advanced but highly relevant topics such as network meta-analysis, multi-three-level meta-analyses, Bayesian meta-analysis approaches and SEM meta-analysis are also covered. A companion R package, dmetar, is introduced at the beginning of the guide. It contains data sets and several helper functions for the meta and metafor package used in the guide. The programming and statistical background covered in the book are kept at a non-expert level, making the book widely accessible. Features • Contains two introductory chapters on how to set up an R environment and do basic imports/manipulations of meta-analysis data, including exercises • Describes statistical concepts clearly and concisely before applying them in R • Includes step-by-step guidance through the coding required to perform meta-analyses, and a companion R package for the book

Statistical Power Analysis for the Behavioral Sciences

Author : Jacob Cohen
Publisher : Routledge
ISBN 13 : 1134742770
Total Pages : 625 pages
Book Rating : 4.1/5 (347 download)

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Book Synopsis Statistical Power Analysis for the Behavioral Sciences by : Jacob Cohen

Download or read book Statistical Power Analysis for the Behavioral Sciences written by Jacob Cohen and published by Routledge. This book was released on 2013-05-13 with total page 625 pages. Available in PDF, EPUB and Kindle. Book excerpt: Statistical Power Analysis is a nontechnical guide to power analysis in research planning that provides users of applied statistics with the tools they need for more effective analysis. The Second Edition includes: * a chapter covering power analysis in set correlation and multivariate methods; * a chapter considering effect size, psychometric reliability, and the efficacy of "qualifying" dependent variables and; * expanded power and sample size tables for multiple regression/correlation.

Strengthening Methods in Crystals

Author : Sir Robin Nicholson
Publisher : Halsted Press
ISBN 13 :
Total Pages : 648 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Strengthening Methods in Crystals by : Sir Robin Nicholson

Download or read book Strengthening Methods in Crystals written by Sir Robin Nicholson and published by Halsted Press. This book was released on 1972 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Introduction to Meta-Analysis

Author : Michael Borenstein
Publisher : John Wiley & Sons
ISBN 13 : 1119964377
Total Pages : 350 pages
Book Rating : 4.1/5 (199 download)

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Book Synopsis Introduction to Meta-Analysis by : Michael Borenstein

Download or read book Introduction to Meta-Analysis written by Michael Borenstein and published by John Wiley & Sons. This book was released on 2011-08-24 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a clear and thorough introduction to meta-analysis, the process of synthesizing data from a series of separate studies. Meta-analysis has become a critically important tool in fields as diverse as medicine, pharmacology, epidemiology, education, psychology, business, and ecology. Introduction to Meta-Analysis: Outlines the role of meta-analysis in the research process Shows how to compute effects sizes and treatment effects Explains the fixed-effect and random-effects models for synthesizing data Demonstrates how to assess and interpret variation in effect size across studies Clarifies concepts using text and figures, followed by formulas and examples Explains how to avoid common mistakes in meta-analysis Discusses controversies in meta-analysis Features a web site with additional material and exercises A superb combination of lucid prose and informative graphics, written by four of the world’s leading experts on all aspects of meta-analysis. Borenstein, Hedges, Higgins, and Rothstein provide a refreshing departure from cookbook approaches with their clear explanations of the what and why of meta-analysis. The book is ideal as a course textbook or for self-study. My students, who used pre-publication versions of some of the chapters, raved about the clarity of the explanations and examples. David Rindskopf, Distinguished Professor of Educational Psychology, City University of New York, Graduate School and University Center, & Editor of the Journal of Educational and Behavioral Statistics. The approach taken by Introduction to Meta-analysis is intended to be primarily conceptual, and it is amazingly successful at achieving that goal. The reader can comfortably skip the formulas and still understand their application and underlying motivation. For the more statistically sophisticated reader, the relevant formulas and worked examples provide a superb practical guide to performing a meta-analysis. The book provides an eclectic mix of examples from education, social science, biomedical studies, and even ecology. For anyone considering leading a course in meta-analysis, or pursuing self-directed study, Introduction to Meta-analysis would be a clear first choice. Jesse A. Berlin, ScD Introduction to Meta-Analysis is an excellent resource for novices and experts alike. The book provides a clear and comprehensive presentation of all basic and most advanced approaches to meta-analysis. This book will be referenced for decades. Michael A. McDaniel, Professor of Human Resources and Organizational Behavior, Virginia Commonwealth University

Determining Sample Size and Power in Research Studies

Author : J. P. Verma
Publisher : Springer Nature
ISBN 13 : 9811552045
Total Pages : 138 pages
Book Rating : 4.8/5 (115 download)

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Book Synopsis Determining Sample Size and Power in Research Studies by : J. P. Verma

Download or read book Determining Sample Size and Power in Research Studies written by J. P. Verma and published by Springer Nature. This book was released on 2020-07-20 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book addresses sample size and power in the context of research, offering valuable insights for graduate and doctoral students as well as researchers in any discipline where data is generated to investigate research questions. It explains how to enhance the authenticity of research by estimating the sample size and reporting the power of the tests used. Further, it discusses the issue of sample size determination in survey studies as well as in hypothesis testing experiments so that readers can grasp the concept of statistical errors, minimum detectable difference, effect size, one-tail and two-tail tests and the power of the test. The book also highlights the importance of fixing these boundary conditions in enhancing the authenticity of research findings and improving the chances of research papers being accepted by respected journals. Further, it explores the significance of sample size by showing the power achieved in selected doctoral studies. Procedure has been discussed to fix power in the hypothesis testing experiment. One should usually have power at least 0.8 in the study because having power less than this will have the issue of practical significance of findings. If the power in any study is less than 0.5 then it would be better to test the hypothesis by tossing a coin instead of organizing the experiment. It also discusses determining sample size and power using the freeware G*Power software, based on twenty-one examples using different analyses, like t-test, parametric and non-parametric correlations, multivariate regression, logistic regression, independent and repeated measures ANOVA, mixed design, MANOVA and chi-square.

Scaling of Structural Strength

Author : Z. P. Bažant
Publisher : Butterworth-Heinemann
ISBN 13 : 9780750668491
Total Pages : 327 pages
Book Rating : 4.6/5 (684 download)

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Book Synopsis Scaling of Structural Strength by : Z. P. Bažant

Download or read book Scaling of Structural Strength written by Z. P. Bažant and published by Butterworth-Heinemann. This book was released on 2005 with total page 327 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text focuses on the effect of size on the various factors that affect the performance of structures, for example, crack initiation, as well as the causes of such size effects.

Methods and Applications of Longitudinal Data Analysis

Author : Xian Liu
Publisher : Elsevier
ISBN 13 : 0128014822
Total Pages : 531 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis Methods and Applications of Longitudinal Data Analysis by : Xian Liu

Download or read book Methods and Applications of Longitudinal Data Analysis written by Xian Liu and published by Elsevier. This book was released on 2015-09-01 with total page 531 pages. Available in PDF, EPUB and Kindle. Book excerpt: Methods and Applications of Longitudinal Data Analysis describes methods for the analysis of longitudinal data in the medical, biological and behavioral sciences. It introduces basic concepts and functions including a variety of regression models, and their practical applications across many areas of research. Statistical procedures featured within the text include: - descriptive methods for delineating trends over time - linear mixed regression models with both fixed and random effects - covariance pattern models on correlated errors - generalized estimating equations - nonlinear regression models for categorical repeated measurements - techniques for analyzing longitudinal data with non-ignorable missing observations Emphasis is given to applications of these methods, using substantial empirical illustrations, designed to help users of statistics better analyze and understand longitudinal data. Methods and Applications of Longitudinal Data Analysis equips both graduate students and professionals to confidently apply longitudinal data analysis to their particular discipline. It also provides a valuable reference source for applied statisticians, demographers and other quantitative methodologists. - From novice to professional: this book starts with the introduction of basic models and ends with the description of some of the most advanced models in longitudinal data analysis - Enables students to select the correct statistical methods to apply to their longitudinal data and avoid the pitfalls associated with incorrect selection - Identifies the limitations of classical repeated measures models and describes newly developed techniques, along with real-world examples.

The Effect

Author : Nick Huntington-Klein
Publisher : CRC Press
ISBN 13 : 1000509141
Total Pages : 646 pages
Book Rating : 4.0/5 (5 download)

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Book Synopsis The Effect by : Nick Huntington-Klein

Download or read book The Effect written by Nick Huntington-Klein and published by CRC Press. This book was released on 2021-12-20 with total page 646 pages. Available in PDF, EPUB and Kindle. Book excerpt: Extensive code examples in R, Stata, and Python Chapters on overlooked topics in econometrics classes: heterogeneous treatment effects, simulation and power analysis, new cutting-edge methods, and uncomfortable ignored assumptions An easy-to-read conversational tone Up-to-date coverage of methods with fast-moving literatures like difference-in-differences

Size Effects in Nanostructures

Author : Victor Kuncser
Publisher : Springer
ISBN 13 : 3662444798
Total Pages : 331 pages
Book Rating : 4.6/5 (624 download)

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Book Synopsis Size Effects in Nanostructures by : Victor Kuncser

Download or read book Size Effects in Nanostructures written by Victor Kuncser and published by Springer. This book was released on 2014-11-01 with total page 331 pages. Available in PDF, EPUB and Kindle. Book excerpt: The influence of size effects on the properties of nanostructures is subject of this book. Size and interfacial effects in oxides, semiconductors, magnetic and superconducting nanostructures, from very simple to very complex, are considered. The most general meaning is assumed for size effects, including not only the influence of a reduced dimension/dimensionality, but also specific interfacial effects. Preparation and characterization tools are explained for various nanostructures. The specific applications are discussed with respect to size-related properties. A logic implication of type phenomenon-property-material-application is envisaged throughout this work.

Visible Learning

Author : John Hattie
Publisher : Routledge
ISBN 13 : 1134024126
Total Pages : 389 pages
Book Rating : 4.1/5 (34 download)

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Book Synopsis Visible Learning by : John Hattie

Download or read book Visible Learning written by John Hattie and published by Routledge. This book was released on 2008-11-19 with total page 389 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique and ground-breaking book is the result of 15 years research and synthesises over 800 meta-analyses on the influences on achievement in school-aged students. It builds a story about the power of teachers, feedback, and a model of learning and understanding. The research involves many millions of students and represents the largest ever evidence based research into what actually works in schools to improve learning. Areas covered include the influence of the student, home, school, curricula, teacher, and teaching strategies. A model of teaching and learning is developed based on the notion of visible teaching and visible learning. A major message is that what works best for students is similar to what works best for teachers – an attention to setting challenging learning intentions, being clear about what success means, and an attention to learning strategies for developing conceptual understanding about what teachers and students know and understand. Although the current evidence based fad has turned into a debate about test scores, this book is about using evidence to build and defend a model of teaching and learning. A major contribution is a fascinating benchmark/dashboard for comparing many innovations in teaching and schools.

Tribology of Natural Fiber Polymer Composites

Author :
Publisher : Elsevier
ISBN 13 : 1845695054
Total Pages : 218 pages
Book Rating : 4.8/5 (456 download)

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Book Synopsis Tribology of Natural Fiber Polymer Composites by :

Download or read book Tribology of Natural Fiber Polymer Composites written by and published by Elsevier. This book was released on 2008-10-14 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: Environmental concerns are driving demand for bio-degradable materials such as plant-based natural fiber reinforced polymer composites. These composites are fast replacing conventional materials in many applications, especially in automobiles, where tribology (friction, lubrication and wear) is important. This book covers the availability and processing of natural fiber polymer composites and their structural, thermal, mechanical and, in particular, tribological properties. Chapter 1 discusses sources of natural fibers, their extraction and surface modification. It also reviews the thermal, structural, mechanical, spectroscopic and morphological properties of unmodified and chemically modified natural fibers such as sisal, jute, wood, bamboo and cotton together with their potential applications. Chapter 2 gives a brief introduction to the tribology of polymer composites and the role of fiber reinforcement and fillers in modifying their tribological properties. Further chapters discuss the chemical composition, physical structure, mechanical properties and tribological behaviour of polymer composites reinforced with sisal, jute, cotton and bamboo fibers. The tribological behaviour of wood polymer composites (WPCs) is also discussed. Tribology of natural fibre polymer composites is a useful reference guide for engineers, scientific and technical personnel involved in the development of natural fiber composites. In particular it will give an insight into mechanical properties and failure mechanisms in situations where wear, lubrication and friction are a problem. Examines the availability and processing of natural fiber composites and their structural, thermal, mechanical and tribological properties Explores sources of natural fibers, their extraction and surface modification as well as properties of chemically modified natural fibers Provides an overview of the tribology of polymer composites and the role of fiber reinforcement and filters in modifying tribological composites

Microforming Technology

Author : Zhengyi Jiang
Publisher : Academic Press
ISBN 13 : 0128112131
Total Pages : 472 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Microforming Technology by : Zhengyi Jiang

Download or read book Microforming Technology written by Zhengyi Jiang and published by Academic Press. This book was released on 2017-03-22 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microforming Technology: Theory, Simulation and Practice addresses all aspects of micromanufacturing technology, presenting detailed technical information and the latest research developments. The book covers fundamentals, theory, simulation models, equipment and tools design, practical micromanufacturing procedures, and micromanufacturing-related supporting systems, such as laser heating system, hydraulic system and quality evaluation systems. Newly developed technology, including micro wedge rolling, micro flexible rolling and micro hydromechanical deep drawing, as well as traditional methods, such as micro deep drawing, micro bending and micro ultrathin strip rolling, are discussed. This will be a highly valuable resource for those involved in the use, study and design of micro products and micromanufacturing technologies, including engineers, scientists, academics and graduate students. - Provides an accessible introduction to the fundamental theories of microforming, size effects, and scaling laws - Includes explanations of the procedures, equipment, and tools for all common microforming technologies - Explains the numerical modeling procedures for 7 different types of microforming

Evaluating Educational Interventions

Author : T. Chris Riley-Tillman
Publisher : Guilford Publications
ISBN 13 : 1462542131
Total Pages : 241 pages
Book Rating : 4.4/5 (625 download)

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Book Synopsis Evaluating Educational Interventions by : T. Chris Riley-Tillman

Download or read book Evaluating Educational Interventions written by T. Chris Riley-Tillman and published by Guilford Publications. This book was released on 2020-03-09 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction to design and analysis for educational intervention -- The nuts and bolts of single-case design -- The classic A-B-A-B design -- Complex single-case designs -- Visual analysis and interpretation strategies for single-case design -- Advanced empirical analyses of single-case data in practice and research -- Brief experimental analysis -- Single-case design for research purposes -- A response-to-intervention model incorporating experimental design.

Size Effects in Plasticity

Author : George Voyiadjis
Publisher : Academic Press
ISBN 13 : 0128135131
Total Pages : 410 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Size Effects in Plasticity by : George Voyiadjis

Download or read book Size Effects in Plasticity written by George Voyiadjis and published by Academic Press. This book was released on 2019-08-01 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt: Size Effects in Plasticity: From Macro to Nano provides concise explanations of all available methods in this area, from atomistic simulation, to non-local continuum models to capture size effects. It then compares their applicability to a wide range of research scenarios. This essential guide addresses basic principles, numerical issues and computation, applications and provides code which readers can use in their own modeling projects. Researchers in the fields of computational mechanics, materials science and engineering will find this to be an ideal resource when they address the size effects observed in deformation mechanisms and strengths of various materials. - Provides a comprehensive reference on the field of size effects and a review of mechanics of materials research in all scales - Explains all major methods of size effects simulation, including non-local continuum models, non-local crystal plasticity, discrete dislocation methods and molecular dynamics - Includes source codes that readers can use in their own projects

Statistics in Medicine

Author : Robert H. Riffenburgh
Publisher : Academic Press
ISBN 13 : 0123848652
Total Pages : 739 pages
Book Rating : 4.1/5 (238 download)

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Book Synopsis Statistics in Medicine by : Robert H. Riffenburgh

Download or read book Statistics in Medicine written by Robert H. Riffenburgh and published by Academic Press. This book was released on 2012-08-13 with total page 739 pages. Available in PDF, EPUB and Kindle. Book excerpt: Statistics in Medicine, Third Edition makes medical statistics easy to understand by students, practicing physicians, and researchers. The book begins with databases from clinical medicine and uses such data to give multiple worked-out illustrations of every method. The text opens with how to plan studies from conception to publication and what to do with your data, and follows with step-by-step instructions for biostatistical methods from the simplest levels (averages, bar charts) progressively to the more sophisticated methods now being seen in medical articles (multiple regression, noninferiority testing). Examples are given from almost every medical specialty and from dentistry, nursing, pharmacy, and health care management. A preliminary guide is given to tailor sections of the text to various lengths of biostatistical courses. - User-friendly format includes medical examples, step-by-step methods, and check-yourself exercises appealing to readers with little or no statistical background, across medical and biomedical disciplines - Facilitates stand-alone methods rather than a required sequence of reading and references to prior text - Covers trial randomization, treatment ethics in medical research, imputation of missing data, evidence-based medical decisions, how to interpret medical articles, noninferiority testing, meta-analysis, screening number needed to treat, and epidemiology - Fills the gap left in all other medical statistics books between the reader's knowledge of how to go about research and the book's coverage of how to analyze results of that research New in this Edition: - New chapters on planning research, managing data and analysis, Bayesian statistics, measuring association and agreement, and questionnaires and surveys - New sections on what tests and descriptive statistics to choose, false discovery rate, interim analysis, bootstrapping, Bland-Altman plots, Markov chain Monte Carlo (MCMC), and Deming regression - Expanded coverage on probability, statistical methods and tests relatively new to medical research, ROC curves, experimental design, and survival analysis - 35 Databases in Excel format used in the book and can be downloaded and transferred into whatever format is needed along with PowerPoint slides of figures, tables, and graphs from the book included on the companion site, http://www.elsevierdirect.com/companion.jsp?ISBN=9780123848642 - Medical subject index offers additional search capabilities

School Size Effects Revisited

Author : Hans Luyten
Publisher : Springer
ISBN 13 : 3319068148
Total Pages : 233 pages
Book Rating : 4.3/5 (19 download)

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Book Synopsis School Size Effects Revisited by : Hans Luyten

Download or read book School Size Effects Revisited written by Hans Luyten and published by Springer. This book was released on 2014-06-26 with total page 233 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a thorough review of the research literature on the effect of school size in primary and secondary education on three types of outcomes: student achievement, non-cognitive outcomes and costs per student. Based on 84 scientific publications and several prior reviews, the book discusses four main areas: the impact of school size on cognitive learning outcomes and non-cognitive outcomes; the "state of the art" of empirical research on economies of size; the direct and indirect impact of school size, conditioned by other school context variables on student performance and the specific position of the Netherlands in an international perspective. The book presents summaries of the results and main conclusions found and discusses these with respect to their relevance for educational policy in general and for the Netherlands in particular. The book concludes with suggestions for future research on school size.

Aulton's Pharmaceutics E-Book

Author : Kevin M.G. Taylor
Publisher : Elsevier Health Sciences
ISBN 13 : 0702053937
Total Pages : 909 pages
Book Rating : 4.7/5 (2 download)

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Book Synopsis Aulton's Pharmaceutics E-Book by : Kevin M.G. Taylor

Download or read book Aulton's Pharmaceutics E-Book written by Kevin M.G. Taylor and published by Elsevier Health Sciences. This book was released on 2013-07-29 with total page 909 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pharmaceutics is one of the most diverse subject areas in all of pharmaceutical science. In brief, it is concerned with the scientific and technological aspects of the design and manufacture of dosage forms or medicines. An understanding of pharmaceutics is therefore vital for all pharmacists and those pharmaceutical scientists who are involved with converting a drug or a potential drug into a medicine that can be delivered safely, effectively and conveniently to the patient. Now in its fourth edition, this best-selling textbook in pharmaceutics has been brought completely up to date to reflect the rapid advances in delivery methodologies by eye and injection, advances in drug formulations and delivery methods for special groups (such as children and the elderly), nanomedicine, and pharmacognosy. At the same time the editors have striven to maintain the accessibility of the text for students of pharmacy, preserving the balance between being a suitably pitched introductory text and a clear reflection of the state of the art. New to this edition New editor: Kevin Taylor, Professor of Clinical Pharmaceutics, School of Pharmacy, University of London. Twenty-two new contributors. Six new chapters covering parenteral and ocular delivery; design and administration of medicines for the children and elderly; the latest in plant medicines; nanotechnology and nanomedicines, and the delivery of biopharmaceuticals. Thoroughly revised and updated throughout. provides a logical, comprehensive account of drug design and manufacture includes the science of formulation and drug delivery designed and written for newcomers to the design of dosage forms New to this edition New editor: Kevin Taylor, Professor of Clinical Pharmaceutics, School of Pharmacy, University of London. Twenty-two new contributors. Six new chapters covering parenteral and ocular delivery; design and administration of medicines for the children and elderly; the latest in plant medicines; nanotechnology and nanomedicines, and the delivery of biopharmaceuticals. Thoroughly revised and updated throughout.