Experimentation

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Experimentation Works

Author : Stefan H. Thomke
Publisher : Harvard Business Press
ISBN 13 : 1633697118
Total Pages : 252 pages
Book Rating : 4.6/5 (336 download)

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Book Synopsis Experimentation Works by : Stefan H. Thomke

Download or read book Experimentation Works written by Stefan H. Thomke and published by Harvard Business Press. This book was released on 2020-02-18 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: Don't fly blind. See how the power of experiments works for you. When it comes to improving customer experiences, trying out new business models, or developing new products, even the most experienced managers often get it wrong. They discover that intuition, experience, and big data alone don't work. What does? Running disciplined business experiments. And what if companies roll out new products or introduce new customer experiences without running these experiments? They fly blind. That's what Harvard Business School professor Stefan Thomke shows in this rigorously researched and eye-opening book. It guides you through best practices in business experimentation, illustrates how these practices work at leading companies, and answers some fundamental questions: What makes a good experiment? How do you test in online and brick-and-mortar businesses? In B2B and B2C? How do you build an experimentation culture? Also, best practice means running many experiments. Indeed, some hugely successful companies, such as Amazon, Booking.com, and Microsoft, run tens of thousands of controlled experiments annually, engaging millions of users. Thomke shows us how these and many other organizations prove that experimentation provides significant competitive advantage. How can managers create this capability at their own companies? Essential is developing an experimentation organization that prizes the science of testing and puts the discipline of experimentation at the center of its innovation process. While it once took companies years to develop the tools for such large-scale experiments, advances in technology have put these tools at the fingertips of almost any business professional. By combining the power of software and the rigor of controlled experiments, today's managers can make better decisions, create magical customer experiences, and generate big financial returns. Experimentation Works is your guidebook to a truly new way of thinking and innovating.

Experimentation in Software Engineering

Author : Claes Wohlin
Publisher : Springer Science & Business Media
ISBN 13 : 3642290442
Total Pages : 249 pages
Book Rating : 4.6/5 (422 download)

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Book Synopsis Experimentation in Software Engineering by : Claes Wohlin

Download or read book Experimentation in Software Engineering written by Claes Wohlin and published by Springer Science & Business Media. This book was released on 2012-06-16 with total page 249 pages. Available in PDF, EPUB and Kindle. Book excerpt: Like other sciences and engineering disciplines, software engineering requires a cycle of model building, experimentation, and learning. Experiments are valuable tools for all software engineers who are involved in evaluating and choosing between different methods, techniques, languages and tools. The purpose of Experimentation in Software Engineering is to introduce students, teachers, researchers, and practitioners to empirical studies in software engineering, using controlled experiments. The introduction to experimentation is provided through a process perspective, and the focus is on the steps that we have to go through to perform an experiment. The book is divided into three parts. The first part provides a background of theories and methods used in experimentation. Part II then devotes one chapter to each of the five experiment steps: scoping, planning, execution, analysis, and result presentation. Part III completes the presentation with two examples. Assignments and statistical material are provided in appendixes. Overall the book provides indispensable information regarding empirical studies in particular for experiments, but also for case studies, systematic literature reviews, and surveys. It is a revision of the authors’ book, which was published in 2000. In addition, substantial new material, e.g. concerning systematic literature reviews and case study research, is introduced. The book is self-contained and it is suitable as a course book in undergraduate or graduate studies where the need for empirical studies in software engineering is stressed. Exercises and assignments are included to combine the more theoretical material with practical aspects. Researchers will also benefit from the book, learning more about how to conduct empirical studies, and likewise practitioners may use it as a “cookbook” when evaluating new methods or techniques before implementing them in their organization.

Quasi-Experimentation

Author : Charles S. Reichardt
Publisher : Guilford Publications
ISBN 13 : 1462540201
Total Pages : 382 pages
Book Rating : 4.4/5 (625 download)

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Book Synopsis Quasi-Experimentation by : Charles S. Reichardt

Download or read book Quasi-Experimentation written by Charles S. Reichardt and published by Guilford Publications. This book was released on 2019-09-02 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: Featuring engaging examples from diverse disciplines, this book explains how to use modern approaches to quasi-experimentation to derive credible estimates of treatment effects under the demanding constraints of field settings. Foremost expert Charles S. Reichardt provides an in-depth examination of the design and statistical analysis of pretest-posttest, nonequivalent groups, regression discontinuity, and interrupted time-series designs. He details their relative strengths and weaknesses and offers practical advice about their use. Reichardt compares quasi-experiments to randomized experiments and discusses when and why the former might be a better choice. Modern moethods for elaborating a research design to remove bias from estimates of treatment effects are described, as are tactics for dealing with missing data and noncompliance with treatment assignment. Throughout, mathematical equations are translated into words to enhance accessibility.

Experimentation for Engineers

Author : David Sweet
Publisher : Simon and Schuster
ISBN 13 : 1638356904
Total Pages : 246 pages
Book Rating : 4.6/5 (383 download)

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Book Synopsis Experimentation for Engineers by : David Sweet

Download or read book Experimentation for Engineers written by David Sweet and published by Simon and Schuster. This book was released on 2023-03-21 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: Optimize the performance of your systems with practical experiments used by engineers in the world’s most competitive industries. In Experimentation for Engineers: From A/B testing to Bayesian optimization you will learn how to: Design, run, and analyze an A/B test Break the "feedback loops" caused by periodic retraining of ML models Increase experimentation rate with multi-armed bandits Tune multiple parameters experimentally with Bayesian optimization Clearly define business metrics used for decision-making Identify and avoid the common pitfalls of experimentation Experimentation for Engineers: From A/B testing to Bayesian optimization is a toolbox of techniques for evaluating new features and fine-tuning parameters. You’ll start with a deep dive into methods like A/B testing, and then graduate to advanced techniques used to measure performance in industries such as finance and social media. Learn how to evaluate the changes you make to your system and ensure that your testing doesn’t undermine revenue or other business metrics. By the time you’re done, you’ll be able to seamlessly deploy experiments in production while avoiding common pitfalls. About the technology Does my software really work? Did my changes make things better or worse? Should I trade features for performance? Experimentation is the only way to answer questions like these. This unique book reveals sophisticated experimentation practices developed and proven in the world’s most competitive industries that will help you enhance machine learning systems, software applications, and quantitative trading solutions. About the book Experimentation for Engineers: From A/B testing to Bayesian optimization delivers a toolbox of processes for optimizing software systems. You’ll start by learning the limits of A/B testing, and then graduate to advanced experimentation strategies that take advantage of machine learning and probabilistic methods. The skills you’ll master in this practical guide will help you minimize the costs of experimentation and quickly reveal which approaches and features deliver the best business results. What's inside Design, run, and analyze an A/B test Break the “feedback loops” caused by periodic retraining of ML models Increase experimentation rate with multi-armed bandits Tune multiple parameters experimentally with Bayesian optimization About the reader For ML and software engineers looking to extract the most value from their systems. Examples in Python and NumPy. About the author David Sweet has worked as a quantitative trader at GETCO and a machine learning engineer at Instagram. He teaches in the AI and Data Science master's programs at Yeshiva University. Table of Contents 1 Optimizing systems by experiment 2 A/B testing: Evaluating a modification to your system 3 Multi-armed bandits: Maximizing business metrics while experimenting 4 Response surface methodology: Optimizing continuous parameters 5 Contextual bandits: Making targeted decisions 6 Bayesian optimization: Automating experimental optimization 7 Managing business metrics 8 Practical considerations

Experimentation Matters

Author : Stefan H. Thomke
Publisher : Harvard Business Press
ISBN 13 : 9781578517503
Total Pages : 336 pages
Book Rating : 4.5/5 (175 download)

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Book Synopsis Experimentation Matters by : Stefan H. Thomke

Download or read book Experimentation Matters written by Stefan H. Thomke and published by Harvard Business Press. This book was released on 2003 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: Every company's ability to innovate depends on a process of experimentation whereby new products and services are created and existing ones improved. But the cost of experimentation often limits innovation. New technologies--including computer modeling and simulation--promise to lift that constraint by changing the economics of experimentation. Never before has it been so economically feasible to ask "what-if" questions and generate preliminary answers. These technologies amplify the impact of learning, paving the way for higher R&D performance and innovation and new ways of creating value for customers.In Experimentation Matters, Stefan Thomke argues that to unlock such potential, companies must not only understand the power of experimentation and new technologies, but also change their processes, organization, and management of innovation. He explains why experimentation is so critical to innovation, underscores the impact of new technologies, and outlines what managers must do to integrate them successfully. Drawing on a decade of research in multiple industries as diverse as automotive, semiconductors, pharmaceuticals, chemicals, and banking, Thomke provides striking illustrations of how companies drive strategy and value creation by accommodating their organizations to new experimentation technologies.As in the outcome of any effective experiment, Thomke also reveals where that has not happened, and explains why. In particular, he shows managers how to: implement "front-loaded" innovation processes that identify potential problems before resources are committed and design decisions locked in; experiment and test frequently without overloading their organizations; integrate new technologies into the current innovation system; organize for rapid experimentation; fail early and often, but avoid wasteful "mistakes"; and manage projects as experiments.Pointing to the custom integrated circuit industry--a multibillion dollar market--Thomke also shows what happens when new experimentation technologies are taken beyond firm boundaries, thereby changing the way companies create new products and services with customers and suppliers. Probing and thoughtful, Experimentation Matters will influence how both executives and academics think about experimentation in general and innovation processes in particular. Experimentation has always been the engine of innovation, and Thomke reveals how it works today.

The Philosophy of Scientific Experimentation

Author : Hans Radder
Publisher : University of Pittsburgh Pre
ISBN 13 : 9780822957959
Total Pages : 0 pages
Book Rating : 4.9/5 (579 download)

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Book Synopsis The Philosophy of Scientific Experimentation by : Hans Radder

Download or read book The Philosophy of Scientific Experimentation written by Hans Radder and published by University of Pittsburgh Pre. This book was released on 2003 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Philosophy of Scientific Experimentation is a collection of essays that focuses on the identification and clarification of philosophical issues in experimental science, such as the link between science and technology, the role of theory in experimentation involving material and causal intervention, and the impact of modeling and computer simulation on experimentation.

Era of Experimentation

Author : Daniel Peart
Publisher : University of Virginia Press
ISBN 13 : 081393561X
Total Pages : 252 pages
Book Rating : 4.8/5 (139 download)

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Book Synopsis Era of Experimentation by : Daniel Peart

Download or read book Era of Experimentation written by Daniel Peart and published by University of Virginia Press. This book was released on 2014-05-05 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Era of Experimentation, Daniel Peart challenges the pervasive assumption that the present-day political system, organized around two competing parties, represents the logical fulfillment of participatory democracy. Recent accounts of "the rise of American democracy" between the Revolution and the Civil War applaud political parties for opening up public life to mass participation and making government responsive to the people. Yet this celebratory narrative tells only half of the story. By exploring American political practices during the early 1820s, a period of particular flux in the young republic, Peart argues that while parties could serve as vehicles for mass participation, they could also be employed to channel, control, and even curb it. Far from equating democracy with the party system, Americans freely experimented with alternative forms of political organization and resisted efforts to confine their public presence to the polling place. Era of Experimentation demonstrates the sheer variety of political practices that made up what subsequent scholars have labeled "democracy" in the early United States. Peart also highlights some overlooked consequences of the nationalization of competitive two-party politics during the antebellum period, particularly with regard to the closing of alternative avenues for popular participation.

The Power of Experiments

Author : Michael Luca
Publisher : MIT Press
ISBN 13 : 0262542277
Total Pages : 229 pages
Book Rating : 4.2/5 (625 download)

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Book Synopsis The Power of Experiments by : Michael Luca

Download or read book The Power of Experiments written by Michael Luca and published by MIT Press. This book was released on 2021-03-02 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt: How tech companies like Google, Airbnb, StubHub, and Facebook learn from experiments in our data-driven world—an excellent primer on experimental and behavioral economics Have you logged into Facebook recently? Searched for something on Google? Chosen a movie on Netflix? If so, you've probably been an unwitting participant in a variety of experiments—also known as randomized controlled trials—designed to test the impact of different online experiences. Once an esoteric tool for academic research, the randomized controlled trial has gone mainstream. No tech company worth its salt (or its share price) would dare make major changes to its platform without first running experiments to understand how they would influence user behavior. In this book, Michael Luca and Max Bazerman explain the importance of experiments for decision making in a data-driven world. Luca and Bazerman describe the central role experiments play in the tech sector, drawing lessons and best practices from the experiences of such companies as StubHub, Alibaba, and Uber. Successful experiments can save companies money—eBay, for example, discovered how to cut $50 million from its yearly advertising budget—or bring to light something previously ignored, as when Airbnb was forced to confront rampant discrimination by its hosts. Moving beyond tech, Luca and Bazerman consider experimenting for the social good—different ways that governments are using experiments to influence or “nudge” behavior ranging from voter apathy to school absenteeism. Experiments, they argue, are part of any leader's toolkit. With this book, readers can become part of “the experimental revolution.”

Basics of Software Engineering Experimentation

Author : Natalia Juristo
Publisher : Springer Science & Business Media
ISBN 13 : 1475733046
Total Pages : 405 pages
Book Rating : 4.4/5 (757 download)

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Book Synopsis Basics of Software Engineering Experimentation by : Natalia Juristo

Download or read book Basics of Software Engineering Experimentation written by Natalia Juristo and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 405 pages. Available in PDF, EPUB and Kindle. Book excerpt: Basics of Software Engineering Experimentation is a practical guide to experimentation in a field which has long been underpinned by suppositions, assumptions, speculations and beliefs. It demonstrates to software engineers how Experimental Design and Analysis can be used to validate their beliefs and ideas. The book does not assume its readers have an in-depth knowledge of mathematics, specifying the conceptual essence of the techniques to use in the design and analysis of experiments and keeping the mathematical calculations clear and simple. Basics of Software Engineering Experimentation is practically oriented and is specially written for software engineers, all the examples being based on real and fictitious software engineering experiments.

Quality Improvement Through Planned Experimentation 3E (PB)

Author : Ronald Moen
Publisher : McGraw Hill Professional
ISBN 13 : 0071759670
Total Pages : 497 pages
Book Rating : 4.0/5 (717 download)

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Book Synopsis Quality Improvement Through Planned Experimentation 3E (PB) by : Ronald Moen

Download or read book Quality Improvement Through Planned Experimentation 3E (PB) written by Ronald Moen and published by McGraw Hill Professional. This book was released on 2012-06-05 with total page 497 pages. Available in PDF, EPUB and Kindle. Book excerpt: The latest experimental design techniques for quality improvement "The methods taught in this book are a major contribution to statistical methods as an aid to engineers, as well as to those in industry, education, or government who are trying to understand the meaning of fi gures derived from comparisons or experiments." -- W. EDWARDS DEMING Co-written by three recipients of the Deming Medal awarded by the American Society for Quality (ASQ), Quality Improvement through Planned Experimentation, Third Edition discusses the principles and methodologies for planning and conducting experiments to improve products, processes, or systems. Fully revised with up-to-date case studies and incorporating new software, this authoritative guide fosters the sequential building of knowledge essential for implementing effective improvements. End-of-chapter exercises reinforce what you've learned, and forms for designing planned experiments help you to integrate the methods in the book into your daily work. The methods of planned experimentation provide an opportunity to better meet the needs of customers, reduce costs, and increase productivity by effecting verifiably beneficial changes. COVERAGE INCLUDES: * Improvement of quality * Principles for design and analysis of planned experiments * Experiments with one factor * Experiments with more than one factor * Reducing the size of experiments * Evaluating sources of variation * Sequential experimentation * Using a time series response variable * Designs with factors at more than two levels * Applications in health care * New product design NEW: Study-it software available for download!

Animal Experimentation: Working Towards a Paradigm Change

Author : Kathrin Herrmann
Publisher : BRILL
ISBN 13 : 9004391193
Total Pages : 749 pages
Book Rating : 4.0/5 (43 download)

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Book Synopsis Animal Experimentation: Working Towards a Paradigm Change by : Kathrin Herrmann

Download or read book Animal Experimentation: Working Towards a Paradigm Change written by Kathrin Herrmann and published by BRILL. This book was released on 2019-04-30 with total page 749 pages. Available in PDF, EPUB and Kindle. Book excerpt: Animal experimentation has been one of the most controversial areas of animal use, mainly due to the intentional harms inflicted upon animals for the sake of hoped-for benefits in humans. Despite this rationale for continued animal experimentation, shortcomings of this practice have become increasingly more apparent and well-documented. However, these limitations are not yet widely known or appreciated, and there is a danger that they may simply be ignored. The 51 experts who have contributed to Animal Experimentation: Working Towards a Paradigm Change critically review current animal use in science, present new and innovative non-animal approaches to address urgent scientific questions, and offer a roadmap towards an animal-free world of science.

Experimentation in Mathematics

Author : Jonathan M. Borwein
Publisher : CRC Press
ISBN 13 : 1439864195
Total Pages : 372 pages
Book Rating : 4.4/5 (398 download)

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Book Synopsis Experimentation in Mathematics by : Jonathan M. Borwein

Download or read book Experimentation in Mathematics written by Jonathan M. Borwein and published by CRC Press. This book was released on 2004-04-12 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: New mathematical insights and rigorous results are often gained through extensive experimentation using numerical examples or graphical images and analyzing them. Today computer experiments are an integral part of doing mathematics. This allows for a more systematic approach to conducting and replicating experiments. The authors address the role of

DOE Simplified

Author : Mark J. Anderson
Publisher : CRC Press
ISBN 13 : 1498730906
Total Pages : 256 pages
Book Rating : 4.4/5 (987 download)

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Book Synopsis DOE Simplified by : Mark J. Anderson

Download or read book DOE Simplified written by Mark J. Anderson and published by CRC Press. This book was released on 2017-08-15 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: Offering a planned approach for determining cause and effect, DOE Simplified: Practical Tools for Effective Experimentation, Third Edition integrates the authors decades of combined experience in providing training, consulting, and computational tools to industrial experimenters. Supplying readers with the statistical means to analyze how numerous variables interact, it is ideal for those seeking breakthroughs in product quality and process efficiency via systematic experimentation.Following in the footsteps of its bestselling predecessors, this edition incorporates a lively approach to learning the fundamentals of the design of experiments (DOE). It lightens up the inherently dry complexities with interesting sidebars and amusing anecdotes.The book explains simple methods for collecting and displaying data and presents comparative experiments for testing hypotheses. Discussing how to block the sources of variation from your analysis, it looks at two-level factorial designs and covers analysis of variance. It also details a four-step planning process for designing and executing experiments that takes statistical power into consideration.This edition includes a major revision of the software that accompanies the book (via download) and sets the stage for introducing experiment designs where the randomization of one or more hard-to-change factors can be restricted. Along these lines, it includes a new chapter on split plots and adds coverage of a number of recent developments in the design and analysis of experiments.Readers have access to case studies, problems, practice experiments, a glossary of terms, and a glossary of statistical symbols, as well as a series of dynamic online lectures that cover the first several chapters of the book.

Designs for Experimentation and Inquiry

Author : Åsa Mäkitalo
Publisher : Routledge
ISBN 13 : 0429953089
Total Pages : 229 pages
Book Rating : 4.4/5 (299 download)

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Book Synopsis Designs for Experimentation and Inquiry by : Åsa Mäkitalo

Download or read book Designs for Experimentation and Inquiry written by Åsa Mäkitalo and published by Routledge. This book was released on 2019-06-27 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt: Designs for Experimentation and Inquiry examines how digital media is reconfiguring the established worlds of research, education and professional practice. It reflects on the theoretical, methodological and ethical issues shaping contemporary engagements with digital learning and offers insights for both analysing and intervening in digital learning practices. This insightful volume fills a gap in the current literature by bringing together experiences from Sociocultural Studies of Learning, Science and Technology Studies, and Design Studies. Each chapter is an innovative case study, examining a different aspect of digital media’s role in research, education and professional practice by exploring topics such as: Learning practices and digitalized dialogue Digital design experiments Digitally mediated collaborations Ethical digital inquiry and design Expertly researched and written, this book is a unique resource for scholars, researchers and professionals working in the fields of digital design, applied technology and the learning sciences.

Experimentation with Human Beings

Author : Jay Katz
Publisher : Russell Sage Foundation
ISBN 13 : 1610448340
Total Pages : 1210 pages
Book Rating : 4.6/5 (14 download)

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Book Synopsis Experimentation with Human Beings by : Jay Katz

Download or read book Experimentation with Human Beings written by Jay Katz and published by Russell Sage Foundation. This book was released on 1972-07-24 with total page 1210 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, increasing concern has been voiced about the nature and extent of human experimentation and its impact on the investigator, subject, science, and society. This casebook represents the first attempt to provide comprehensive materials for studying the human experimentation process. Through case studies from medicine, biology, psychology, sociology, and law—as well as evaluative materials from many other disciplines—Dr. Katz examines the problems raised by human experimentation from the vantage points of each of its major participants—investigator, subject, professions, and state. He analyzes what kinds of authority should be delegated to these participants in the formulation, administration, and review of the human experimentation process. Alternative proposals, from allowing investigators a completely free hand to imposing centralized governmental control, are examined from both theoretical and practical perspectives. The conceptual framework of Experimentation with Human Beings is designed to facilitate not only the analysis of such concepts as "harm," "benefit," and "informed consent," but also the exploration of the problems raised by man's quest for knowledge and mastery, his willingness to risk human life, and his readiness to delegate authority to professionals and rely on their judgment.

Against Their Will

Author : Allen M. Hornblum
Publisher : St. Martin's Press
ISBN 13 : 1137363452
Total Pages : 284 pages
Book Rating : 4.1/5 (373 download)

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Book Synopsis Against Their Will by : Allen M. Hornblum

Download or read book Against Their Will written by Allen M. Hornblum and published by St. Martin's Press. This book was released on 2013-06-25 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the Cold War, an alliance between American scientists, pharmaceutical companies, and the US military pushed the medical establishment into ethically fraught territory. Doctors and scientists at prestigious institutions were pressured to produce medical advances to compete with the perceived threats coming from the Soviet Union. In Against Their Will, authors Allen Hornblum, Judith Newman, and Gregory Dober reveal the little-known history of unethical and dangerous medical experimentation on children in the United States. Through rare interviews and the personal correspondence of renowned medical investigators, they document how children—both normal and those termed "feebleminded"—from infants to teenagers, became human research subjects in terrifying experiments. They were drafted as "volunteers" to test vaccines, doused with ringworm, subjected to electric shock, and given lobotomies. They were also fed radioactive isotopes and exposed to chemical warfare agents. This groundbreaking book shows how institutional superintendents influenced by eugenics often turned these children over to scientific researchers without a second thought. Based on years of archival work and numerous interviews with both scientific researchers and former test subjects, this is a fascinating and disturbing look at the dark underbelly of American medical history.

Trustworthy Online Controlled Experiments

Author : Ron Kohavi
Publisher : Cambridge University Press
ISBN 13 : 1108590098
Total Pages : 291 pages
Book Rating : 4.1/5 (85 download)

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Book Synopsis Trustworthy Online Controlled Experiments by : Ron Kohavi

Download or read book Trustworthy Online Controlled Experiments written by Ron Kohavi and published by Cambridge University Press. This book was released on 2020-04-02 with total page 291 pages. Available in PDF, EPUB and Kindle. Book excerpt: Getting numbers is easy; getting numbers you can trust is hard. This practical guide by experimentation leaders at Google, LinkedIn, and Microsoft will teach you how to accelerate innovation using trustworthy online controlled experiments, or A/B tests. Based on practical experiences at companies that each run more than 20,000 controlled experiments a year, the authors share examples, pitfalls, and advice for students and industry professionals getting started with experiments, plus deeper dives into advanced topics for practitioners who want to improve the way they make data-driven decisions. Learn how to • Use the scientific method to evaluate hypotheses using controlled experiments • Define key metrics and ideally an Overall Evaluation Criterion • Test for trustworthiness of the results and alert experimenters to violated assumptions • Build a scalable platform that lowers the marginal cost of experiments close to zero • Avoid pitfalls like carryover effects and Twyman's law • Understand how statistical issues play out in practice.