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Trustworthy Online Controlled Experiments

Author: Ron Kohavi

Publisher: Cambridge University Press

Published: 2020-04-02

Total Pages: 291

ISBN-13: 1108590098

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.

Planning and Executing Credible Experiments

Author: Robert J. Moffat

Publisher: John Wiley & Sons

Published: 2021-01-22

Total Pages: 352

ISBN-13: 1119532841

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Covers experiment planning, execution, analysis, and reporting This single-source resource guides readers in planning and conducting credible experiments for engineering, science, industrial processes, agriculture, and business. The text takes experimenters all the way through conducting a high-impact experiment, from initial conception, through execution of the experiment, to a defensible final report. It prepares the reader to anticipate the choices faced during each stage. Filled with real-world examples from engineering science and industry, Planning and Executing Credible Experiments: A Guidebook for Engineering, Science, Industrial Processes, Agriculture, and Business offers chapters that challenge experimenters at each stage of planning and execution and emphasizes uncertainty analysis as a design tool in addition to its role for reporting results. Tested over decades at Stanford University and internationally, the text employs two powerful, free, open-source software tools: GOSSET to optimize experiment design, and R for statistical computing and graphics. A website accompanies the text, providing additional resources and software downloads. A comprehensive guide to experiment planning, execution, and analysis Leads from initial conception, through the experiment’s launch, to final report Prepares the reader to anticipate the choices faced throughout an experiment Hones the motivating question Employs principles and techniques from Design of Experiments (DoE) Selects experiment designs to obtain the most information from fewer experimental runs Offers chapters that propose questions that an experimenter will need to ask and answer during each stage of planning and execution Demonstrates how uncertainty analysis guides and strengthens each stage Includes examples from real-life industrial experiments Accompanied by a website hosting open-source software Planning and Executing Credible Experiments is an excellent resource for graduates and senior undergraduates—as well as professionals—across a wide variety of engineering disciplines.

The Guidebook Experiment

Author: David Bockino

Publisher: Travelers' Tales

Published: 2015-08-11

Total Pages: 350

ISBN-13: 1609520939

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Our modern day, multimedia, information-obsessed culture has fundamentally altered much of what we do day-to-day. The way we shop and pay bills. The way we communicate. The way we research, study, and learn. In the realm of travel we have more tools than ever telling us where to go, how to get there, what it will look like, what to do, and why we should go in the first place. This proliferation of constantly updated data has changed the way we go about our journeys. But how? By tracing the evolution of the guidebook from pilgrim manuals and Baedeker’s books to Yelp reviews and Google Maps, David Bockino explores the effects this information growth has had on the state of travel and adventure. Inspired by some of the world’s greatest explorers, he sets out guidebook-less to a destination he knows little about, launching an experiment to determine just how the guidebook and its digital descendants have transformed the nature of travel. The Guidebook Experiment is a call-to-action to conduct our own guidebook experiments, to disconnect from the ceaseless barrage of information in modern life and explore an unknown neighborhood or unfamiliar country and discover the joy of travel on our own.

Experimentation Works

Author: Stefan H. Thomke

Publisher: Harvard Business Press

Published: 2020-02-18

Total Pages: 252

ISBN-13: 1633697118

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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.

Quasi-Experimentation

Author: Charles S. Reichardt

Publisher: Guilford Publications

Published: 2019-09-02

Total Pages: 382

ISBN-13: 1462540201

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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.

Illustrated Guide to Home Chemistry Experiments

Author: Robert Bruce Thompson

Publisher: "O'Reilly Media, Inc."

Published: 2012-02-17

Total Pages: 432

ISBN-13: 1449331424

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For students, DIY hobbyists, and science buffs, who can no longer get real chemistry sets, this one-of-a-kind guide explains how to set up and use a home chemistry lab, with step-by-step instructions for conducting experiments in basic chemistry -- not just to make pretty colors and stinky smells, but to learn how to do real lab work: Purify alcohol by distillation Produce hydrogen and oxygen gas by electrolysis Smelt metallic copper from copper ore you make yourself Analyze the makeup of seawater, bone, and other common substances Synthesize oil of wintergreen from aspirin and rayon fiber from paper Perform forensics tests for fingerprints, blood, drugs, and poisons and much more From the 1930s through the 1970s, chemistry sets were among the most popular Christmas gifts, selling in the millions. But two decades ago, real chemistry sets began to disappear as manufacturers and retailers became concerned about liability. ,em>The Illustrated Guide to Home Chemistry Experiments steps up to the plate with lessons on how to equip your home chemistry lab, master laboratory skills, and work safely in your lab. The bulk of this book consists of 17 hands-on chapters that include multiple laboratory sessions on the following topics: Separating Mixtures Solubility and Solutions Colligative Properties of Solutions Introduction to Chemical Reactions & Stoichiometry Reduction-Oxidation (Redox) Reactions Acid-Base Chemistry Chemical Kinetics Chemical Equilibrium and Le Chatelier's Principle Gas Chemistry Thermochemistry and Calorimetry Electrochemistry Photochemistry Colloids and Suspensions Qualitative Analysis Quantitative Analysis Synthesis of Useful Compounds Forensic Chemistry With plenty of full-color illustrations and photos, Illustrated Guide to Home Chemistry Experiments offers introductory level sessions suitable for a middle school or first-year high school chemistry laboratory course, and more advanced sessions suitable for students who intend to take the College Board Advanced Placement (AP) Chemistry exam. A student who completes all of the laboratories in this book will have done the equivalent of two full years of high school chemistry lab work or a first-year college general chemistry laboratory course. This hands-on introduction to real chemistry -- using real equipment, real chemicals, and real quantitative experiments -- is ideal for the many thousands of young people and adults who want to experience the magic of chemistry.

Lonely Planet Guide to Experimental Travel

Author: Rachael Antony

Publisher:

Published: 2005

Total Pages: 0

ISBN-13: 9781741044508

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Forget package holidays and classic travel routes. Wave adieu to predictable journeys and escape the clutches of tourists traps. The time has come for different travel rules and The Lonely Planet Guide to Experimental Travel is your passport to a new world.

A Guide to Experimental Algorithmics

Author: Catherine C. McGeoch

Publisher: Cambridge University Press

Published: 2012-01-30

Total Pages: 273

ISBN-13: 1107001730

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This is a guidebook for those who want to use computational experiments to support their work in algorithm design and analysis. Numerous case studies and examples show how to apply these concepts. All the necessary concepts in computer architecture and data analysis are covered so that the book can be used by anyone who has taken a course or two in data structures and algorithms.

The Only Study Guide You'll Ever Need

Author: Jade Bowler

Publisher: Kings Road Publishing

Published: 2021-08-05

Total Pages: 257

ISBN-13: 1788704207

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We've all been there: a new school year starts and there's 8 months till your exams - that's plenty of time, right? Then there's 6 months, 3 months, 1 month and oh, now there's 2 weeks left and you haven't started studying... What happens next is a panic-induced mayhem of highlighting everything in the textbook (without even questioning if it's actually helpful). But I'm here to help you change this! In The Only Study Guide You'll Ever Need, I'll cover a range of different topics including: · How to get started and pick up that pen · Learning techniques that actually work (hello, science of memory!) · The dos and don'ts of timetabling · And combatting fear of failure, perfectionism, exam stress and so much more! As a fellow student now at university, I definitely don't have a PhD in Exam Etiquette but this is the book younger me needed. All I wanted was one place that had a variety of tried-and-tested methods with reassurance from someone who had recently been through the education system. The Only Study Guide You'll Ever Need is just that, and I have collected the best techniques and tools I wish I'd known earlier to help you get through your studies and smash your exams! Jade x

Illustrated Guide to Home Biology Experiments

Author: Robert Thompson

Publisher: "O'Reilly Media, Inc."

Published: 2012-04-19

Total Pages: 378

ISBN-13: 1449396593

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Perfect for middle- and high-school students and DIY enthusiasts, this full-color guide teaches you the basics of biology lab work and shows you how to set up a safe lab at home. Features more than 30 educational (and fun) experiments.