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🧪 A/B Testing

The science of controlled experimentation applied to products, websites, and business decisions—learning what actually works by testing it rigorously. These books teach the statistical thinking and practical methodology behind making confident, evidence-based choices at scale.
The Power of Experiments
by Michael Luca • 2020
eBay's experiment killed $50 million in ads. Here's how to run yours.
3.46
246
🧪 Experimental Methods🧠 Behavioral Economics🔍 Causal Inference
The Power of Experiments Summary
The Power of Experiments 89%
eBay's experiment killed $50 million in ads. Here's how to run yours.
by Michael Luca 2020
3.46
246 ratings
🧪 Experimental Methods🧠 Behavioral Economics🔍 Causal Inference
Landing Page Optimization
by Tim Ash • 2008
Small tests, big returns: how to optimize every landing page element for maximum conversion.
3.82
549
🎯 Conversion Rate Optimization🖌️ User Experience Design📊 Web Analytics
Landing Page Optimization Summary
Landing Page Optimization 88%
Small tests, big returns: how to optimize every landing page element for maximum conversion.
by Tim Ash 2008
3.82
549 ratings
🎯 Conversion Rate Optimization🖌️ User Experience Design📊 Web Analytics
The Rebel's Guide to Email Marketing
by D.J. Waldow • 2012
Your email playbook is making you invisible. How to get opened, clicked, and read.
3.72
71
💻 Digital Marketing✉️ Email Marketing🚀 Growth Hacking
The Rebel's Guide to Email Marketing Summary
The Rebel's Guide to Email Marketing 88%
Your email playbook is making you invisible. How to get opened, clicked, and read.
by D.J. Waldow 2012
3.72
71 ratings
💻 Digital Marketing✉️ Email Marketing🚀 Growth Hacking
Measuring the User Experience
by Thomas Tullis • 2008
Three metrics that show exactly where users get stuck: task success, time, and errors.
4.08
567
📏 Ux Metrics🧪 Usability Testing🔬 Ux Research
Measuring the User Experience Summary
Measuring the User Experience 88%
Three metrics that show exactly where users get stuck: task success, time, and errors.
by Thomas Tullis 2008
4.08
567 ratings
📏 Ux Metrics🧪 Usability Testing🔬 Ux Research
Agile Testing
by Lisa Crispin • 2008
Shift quality left: a practical guide to weaving testing into every day of agile development.
3.82
1k+
🔄 Agile Development🧪 Software Testing🤖 Test Automation
Agile Testing Summary
Agile Testing 88%
Shift quality left: a practical guide to weaving testing into every day of agile development.
by Lisa Crispin 2008
3.82
1k+ ratings
🔄 Agile Development🧪 Software Testing🤖 Test Automation
Making Websites Win
by Karl Blanks • 2017
The scientific method applied to your website: how tiny, tested changes compound into doubled sales.
4.31
435
📈 Conversion Rate Optimization🖥️ Web Design🔍 Customer Research
Making Websites Win Summary
Making Websites Win 88%
The scientific method applied to your website: how tiny, tested changes compound into doubled sales.
by Karl Blanks 2017
4.31
435 ratings
📈 Conversion Rate Optimization🖥️ Web Design🔍 Customer Research
The Right It
by Alberto Savoia • 2019
Skill can't save an unwanted idea. Fast, cheap experiments that test market demand before building.
4.30
850
🚀 Startup Methodology✅ Product Validation🧪 Lean Experimentation
The Right It Summary
The Right It 88%
Skill can't save an unwanted idea. Fast, cheap experiments that test market demand before building.
by Alberto Savoia 2019
4.30
850 ratings
🚀 Startup Methodology✅ Product Validation🧪 Lean Experimentation
Rocket Surgery Made Easy
by Steve Krug • 2009
Usability testing sounds expensive and complex. A three-person, one-morning method proves it isn't.
4.14
4k+
🧪 Usability Testing🎨 User Experience Design👀 User Observation
Rocket Surgery Made Easy Summary
Rocket Surgery Made Easy 88%
Usability testing sounds expensive and complex. A three-person, one-morning method proves it isn't.
by Steve Krug 2009
4.14
4k+ ratings
🧪 Usability Testing🎨 User Experience Design👀 User Observation
Evidence-Guided
by Itamar Gilad • 2023
Why most product teams ship the wrong features, and the framework that stops them.
4.46
178
🧭 Product Management🚀 Lean Startup🎯 OKRs
Evidence-Guided Summary
Evidence-Guided 88%
Why most product teams ship the wrong features, and the framework that stops them.
by Itamar Gilad 2023
4.46
178 ratings
🧭 Product Management🚀 Lean Startup🎯 OKRs
Start at the End
by Matt Wallaert • 2019
Most products try to motivate. The ones that stick remove what's in the way.
3.81
433
🧠 Behavioral Design🗺️ Product Strategy📊 Behavioral Economics
Start at the End Summary
Start at the End 88%
Most products try to motivate. The ones that stick remove what's in the way.
by Matt Wallaert 2019
3.81
433 ratings
🧠 Behavioral Design🗺️ Product Strategy📊 Behavioral Economics
Web Analytics 2.0
by Avinash Kaushik • 2009
Your web data is lying to you. The framework that turns page views into decisions.
4.13
2k+
🖥️ Digital Analytics🎯 Performance Indicators🧪 Online Experimentation
Web Analytics 2.0 Summary
Web Analytics 2.0 87%
Your web data is lying to you. The framework that turns page views into decisions.
by Avinash Kaushik 2009
4.13
2k+ ratings
🖥️ Digital Analytics🎯 Performance Indicators🧪 Online Experimentation
Validating Product Ideas
by Tomer Sharon • 2016
Know if anyone wants it before you build. Lean experiments for testing product ideas, fast.
4.10
289
🎨 Product Design🔍 User Research🚀 Lean Startup
Validating Product Ideas Summary
Validating Product Ideas 87%
Know if anyone wants it before you build. Lean experiments for testing product ideas, fast.
by Tomer Sharon 2016
4.10
289 ratings
🎨 Product Design🔍 User Research🚀 Lean Startup
Testing in Scrum
by Tilo Linz • 2014
Shift from a last-minute quality gate to testing woven into every sprint and commit.
3.72
25
🧪 Agile Testing🔄 Scrum Methodology🔴 Test Driven Development
Testing in Scrum Summary
Testing in Scrum 87%
Shift from a last-minute quality gate to testing woven into every sprint and commit.
by Tilo Linz 2014
3.72
25 ratings
🧪 Agile Testing🔄 Scrum Methodology🔴 Test Driven Development
Paper Prototyping
by Carolyn Snyder • 2003
Paper screens, a colleague at the controls: find the fatal flaws while fixing them is free.
3.78
207
🎨 User Experience Design🧪 Usability Testing✂️ Rapid Prototyping
Paper Prototyping Summary
Paper Prototyping 87%
Paper screens, a colleague at the controls: find the fatal flaws while fixing them is free.
by Carolyn Snyder 2003
3.78
207 ratings
🎨 User Experience Design🧪 Usability Testing✂️ Rapid Prototyping
Conversion Optimization
by Khalid Saleh • 2010
Double revenue without a single new visitor. The psychology of online conversion, tested.
3.93
74
🎯 Conversion Optimization🧠 Customer Psychology👤 User Personas
Conversion Optimization Summary
Conversion Optimization 87%
Double revenue without a single new visitor. The psychology of online conversion, tested.
by Khalid Saleh 2010
3.93
74 ratings
🎯 Conversion Optimization🧠 Customer Psychology👤 User Personas
Software Engineering at Google
by Titus Winters • 2020
Google's testing playbook: 80/20, test behaviors not methods, write tests that never rot.
4.20
2k+
🧪 Software Testing🏗️ Engineering Culture🤖 Automated Testing
Software Engineering at Google Summary
Software Engineering at Google 87%
Google's testing playbook: 80/20, test behaviors not methods, write tests that never rot.
by Titus Winters 2020
4.20
2k+ ratings
🧪 Software Testing🏗️ Engineering Culture🤖 Automated Testing
Lean UX
by Jeff Gothelf • 2012
Kill the wireframes: a system for testing UX assumptions one sprint at a time.
3.99
7k+
🏗️ Lean Startup🧠 Design Thinking🔄 Agile Development
Lean UX Summary
Lean UX 87%
Kill the wireframes: a system for testing UX assumptions one sprint at a time.
by Jeff Gothelf 2012
3.99
7k+ ratings
🏗️ Lean Startup🧠 Design Thinking🔄 Agile Development
UX for Lean Startups
by Laura Klein • 2013
Prove anyone wants your product before you build it: lightweight UX methods for lean startups.
4.10
2k+
🎨 User Experience Design🏗️ Lean Startup Methodology🔍 User Research
UX for Lean Startups Summary
UX for Lean Startups 87%
Prove anyone wants your product before you build it: lightweight UX methods for lean startups.
by Laura Klein 2013
4.10
2k+ ratings
🎨 User Experience Design🏗️ Lean Startup Methodology🔍 User Research
Modern Software Engineering
by David Farley • 2021
Software is not a craft; it's a science. The discipline that turns teams into learning machines.
4.16
1k+
🔬 Scientific Engineering🔄 Continuous Delivery🔁 Feedback Loops
Modern Software Engineering Summary
Modern Software Engineering 87%
Software is not a craft; it's a science. The discipline that turns teams into learning machines.
by David Farley 2021
4.16
1k+ ratings
🔬 Scientific Engineering🔄 Continuous Delivery🔁 Feedback Loops
The Art of Unit Testing
by Roy Osherove • 2009
C# unit testing without the brittle tests: stubs, mocks, and the isolation patterns that work.
4.09
1k+
🧪 Unit Testing🖥️ .Net Development🎭 Mocking Frameworks
The Art of Unit Testing Summary
The Art of Unit Testing 87%
C# unit testing without the brittle tests: stubs, mocks, and the isolation patterns that work.
by Roy Osherove 2009
4.09
1k+ ratings
🧪 Unit Testing🖥️ .Net Development🎭 Mocking Frameworks
Effective Unit Testing
by Lasse Koskela • 2012
A slow test suite kills productivity. The craft rules for fast, trustworthy unit tests.
3.80
118
🧪 Unit Testing☕️ Java Development🧩 Testable Design
Effective Unit Testing Summary
Effective Unit Testing 87%
A slow test suite kills productivity. The craft rules for fast, trustworthy unit tests.
by Lasse Koskela 2012
3.80
118 ratings
🧪 Unit Testing☕️ Java Development🧩 Testable Design
Testing Business Ideas
by David J. Bland • 2019
A field-tested library of experiments to test any business idea, fast and without wasting a fortune.
4.25
1k+
🏗️ Lean Startup📋 Business Model Design⚡ Rapid Experimentation
Testing Business Ideas Summary
Testing Business Ideas 87%
A field-tested library of experiments to test any business idea, fast and without wasting a fortune.
by David J. Bland 2019
4.25
1k+ ratings
🏗️ Lean Startup📋 Business Model Design⚡ Rapid Experimentation
How to Write a Good Advertisement
by Victor O. Schwab • 1980
Desires that open wallets, proof that seals trust, and the ask that closes the sale.
4.21
521
✍️ Copywriting📜 Classic Advertising🖋️ Headline Writing
How to Write a Good Advertisement Summary
How to Write a Good Advertisement 87%
Desires that open wallets, proof that seals trust, and the ask that closes the sale.
by Victor O. Schwab 1980
4.21
521 ratings
✍️ Copywriting📜 Classic Advertising🖋️ Headline Writing
Product Design for the Web
by Randy J. Hunt • 2013
Why shipping early and designing the invisible parts matters more than getting the pixels right.
3.76
278
📱 Product Design✨ User Experience🔄 Iterative Design
Product Design for the Web Summary
Product Design for the Web 87%
Why shipping early and designing the invisible parts matters more than getting the pixels right.
by Randy J. Hunt 2013
3.76
278 ratings
📱 Product Design✨ User Experience🔄 Iterative Design
Just Enough Research
by Erika Hall • 2013
The research you need fits in a sprint, not a dissertation. How to investigate, decide, and ship.
4.19
2k+
🧪 Ux Research🖥️ Usability Testing📊 Data-Informed Design
Just Enough Research Summary
Just Enough Research 87%
The research you need fits in a sprint, not a dissertation. How to investigate, decide, and ship.
by Erika Hall 2013
4.19
2k+ ratings
🧪 Ux Research🖥️ Usability Testing📊 Data-Informed Design
Usability Engineering
by Jakob Nielsen • 1993
Usability is engineering, not art. Five dimensions, ten heuristics, one rule: test with real users.
3.97
277
🎯 User-Centered Design🧪 Usability Testing🔍 Heuristic Evaluation
Usability Engineering Summary
Usability Engineering 87%
Usability is engineering, not art. Five dimensions, ten heuristics, one rule: test with real users.
by Jakob Nielsen 1993
3.97
277 ratings
🎯 User-Centered Design🧪 Usability Testing🔍 Heuristic Evaluation
Design Thinking Research
by Larry Leifer • 2013
What if your programming environment saved every change, so you could explore ideas without risk?
4.00
1
💻 Software Design🗂️ Version Control🔄 Iterative Development
Design Thinking Research Summary
Design Thinking Research 87%
What if your programming environment saved every change, so you could explore ideas without risk?
by Larry Leifer 2013
4.00
1 ratings
💻 Software Design🗂️ Version Control🔄 Iterative Development
UX Research
by Brad Nunnally • 2016
What to ask, who to ask, and how to turn their answers into better products.
3.68
263
📐 Product Design🔍 User Research🧪 Usability Testing
UX Research Summary
UX Research 87%
What to ask, who to ask, and how to turn their answers into better products.
by Brad Nunnally 2016
3.68
263 ratings
📐 Product Design🔍 User Research🧪 Usability Testing
Outcomes Over Output
by Josh Seiden • 2019
Stop asking what to build and start asking what your customers should do differently.
4.33
2k+
🧭 Product Management🚀 Lean Startup🛠️ Jobs To Be Done
Outcomes Over Output Summary
Outcomes Over Output 87%
Stop asking what to build and start asking what your customers should do differently.
by Josh Seiden 2019
4.33
2k+ ratings
🧭 Product Management🚀 Lean Startup🛠️ Jobs To Be Done
Ultimate Guide to Google AdWords
by Perry Marshall • 2016
A million visitors while you sleep: the Google ad formula that prizes relevance over budget.
4.07
779
🔍 Search Engine Marketing📬 Direct Response Marketing⚙️ Campaign Optimization
Ultimate Guide to Google AdWords Summary
Ultimate Guide to Google AdWords 87%
A million visitors while you sleep: the Google ad formula that prizes relevance over budget.
by Perry Marshall 2016
4.07
779 ratings
🔍 Search Engine Marketing📬 Direct Response Marketing⚙️ Campaign Optimization
A Project Guide to UX Design
by Russ Unger • 2009
The methods and documents that carry a UX project from first requirement to final design.
3.87
2k+
🖥️ User Experience Design🎯 User Centered Design🔍 User Research Methods
A Project Guide to UX Design Summary
A Project Guide to UX Design 87%
The methods and documents that carry a UX project from first requirement to final design.
by Russ Unger 2009
3.87
2k+ ratings
🖥️ User Experience Design🎯 User Centered Design🔍 User Research Methods
The Why Axis
by Uri Gneezy • 2013
When daycare fines made parents later, the real science of incentives began.
3.67
1k+
💡 Behavioral Economics🔬 Field Experiments🎯 Incentive Design
The Why Axis Summary
The Why Axis 87%
When daycare fines made parents later, the real science of incentives began.
by Uri Gneezy 2013
3.67
1k+ ratings
💡 Behavioral Economics🔬 Field Experiments🎯 Incentive Design
Hacking Growth
by Sean Ellis • 2017
Build a team that runs 30 growth experiments a week; here is the structure and process.
4.11
6k+
🚀 Growth Hacking🎯 Product/Market Fit🧪 Rapid Experimentation
Hacking Growth Summary
Hacking Growth 87%
Build a team that runs 30 growth experiments a week; here is the structure and process.
by Sean Ellis 2017
4.11
6k+ ratings
🚀 Growth Hacking🎯 Product/Market Fit🧪 Rapid Experimentation
Lean Inception
by Paulo Caroli • 2018
The workshop recipe that aligns a team and defines the right MVP, no code needed.
4.07
446
🧱 Product Management🚀 Lean Startup🔄 Agile Development
Lean Inception Summary
Lean Inception 87%
The workshop recipe that aligns a team and defines the right MVP, no code needed.
by Paulo Caroli 2018
4.07
446 ratings
🧱 Product Management🚀 Lean Startup🔄 Agile Development
Designing Products People Love
by Scott Hurff • 2015
Most products fail in their empty and error states: a playbook for designing all five.
4.11
271
🎨 Product Design🖥️ Ux Design🔍 Customer Research
Designing Products People Love Summary
Designing Products People Love 87%
Most products fail in their empty and error states: a playbook for designing all five.
by Scott Hurff 2015
4.11
271 ratings
🎨 Product Design🖥️ Ux Design🔍 Customer Research
Designing the User Experience of Game Development Tools
by David Lightbown • 2015
Game tools are an unmeasured productivity drain. A UX method for fixing what studios overlook.
4.13
16
🛠️ Game Development Tools🖼️ User Interface Design👥 User-Centered Design
Designing the User Experience of Game Development Tools Summary
Designing the User Experience of Game Development Tools 87%
Game tools are an unmeasured productivity drain. A UX method for fixing what studios overlook.
by David Lightbown 2015
4.13
16 ratings
🛠️ Game Development Tools🖼️ User Interface Design👥 User-Centered Design
Lean Analytics
by Alistair Croll • 2013
Pick the right metric, ignore the rest: a stage-by-stage field guide to startup analytics.
4.11
8k+
🚀 Startup Strategy📊 Business Metrics🔄 Lean Methodology
Lean Analytics Summary
Lean Analytics 87%
Pick the right metric, ignore the rest: a stage-by-stage field guide to startup analytics.
by Alistair Croll 2013
4.11
8k+ ratings
🚀 Startup Strategy📊 Business Metrics🔄 Lean Methodology
Sexy Little Numbers
by Dimitri Maex • 2012
Your database hides your most profitable customers. A data-driven method for finding them.
3.80
235
🎯 Data-Driven Marketing📊 Customer Analytics💰 Marketing Roi
Sexy Little Numbers Summary
Sexy Little Numbers 87%
Your database hides your most profitable customers. A data-driven method for finding them.
by Dimitri Maex 2012
3.80
235 ratings
🎯 Data-Driven Marketing📊 Customer Analytics💰 Marketing Roi
Value Proposition Design
by Alexander Osterwalder • 2013
Map customer needs to product features with a single canvas, and kill the offerings nobody wants.
4.21
7k+
📐 Product Design📊 Business Modeling🔍 Customer Research
Value Proposition Design Summary
Value Proposition Design 86%
Map customer needs to product features with a single canvas, and kill the offerings nobody wants.
by Alexander Osterwalder 2013
4.21
7k+ ratings
📐 Product Design📊 Business Modeling🔍 Customer Research
The AI Playbook
by Eric Siegel • 2024
How to get machine learning out of the lab: sell the operational improvement, not the algorithm.
3.98
127
🏢 Enterprise Technology🤖 Applied Ai🔄 Change Management
The AI Playbook Summary
The AI Playbook 86%
How to get machine learning out of the lab: sell the operational improvement, not the algorithm.
by Eric Siegel 2024
3.98
127 ratings
🏢 Enterprise Technology🤖 Applied Ai🔄 Change Management
Why Greatness Cannot Be Planned
by Kenneth O. Stanley • 2015
Ambitious objectives blind you to the very discoveries that make them obsolete.
3.98
1k+
💡 Innovation Studies🚫 Goal Skepticism✨ Serendipity And Discovery
Why Greatness Cannot Be Planned Summary
Why Greatness Cannot Be Planned 86%
Ambitious objectives blind you to the very discoveries that make them obsolete.
by Kenneth O. Stanley 2015
3.98
1k+ ratings
💡 Innovation Studies🚫 Goal Skepticism✨ Serendipity And Discovery
Practical Statistics for Data Scientists
by Peter Bruce • 2017
The statistical methods data scientists use daily, from boxplots to bootstrap, minus the proofs.
4.02
545
🛠️ Practical Data Science📈 Applied Statistics🔍 Exploratory Data Analysis
Practical Statistics for Data Scientists Summary
Practical Statistics for Data Scientists 86%
The statistical methods data scientists use daily, from boxplots to bootstrap, minus the proofs.
by Peter Bruce 2017
4.02
545 ratings
🛠️ Practical Data Science📈 Applied Statistics🔍 Exploratory Data Analysis
Google Analytics
by Justin Cutroni • 2007
Turn Google Analytics from a hit counter into a decision engine with the right setup.
3.72
129
📊 Web Analytics📈 Marketing Analytics🎯 Conversion Optimization
Google Analytics Summary
Google Analytics 86%
Turn Google Analytics from a hit counter into a decision engine with the right setup.
by Justin Cutroni 2007
3.72
129 ratings
📊 Web Analytics📈 Marketing Analytics🎯 Conversion Optimization
Undercover User Experience Design
by Cennydd Bowles • 2010
No budget, no mandate? A tactical guide for smuggling user experience into resistant organizations.
4.02
504
🗣️ Ux Advocacy🔄 Organizational Change💡 Design Thinking
Undercover User Experience Design Summary
Undercover User Experience Design 86%
No budget, no mandate? A tactical guide for smuggling user experience into resistant organizations.
by Cennydd Bowles 2010
4.02
504 ratings
🗣️ Ux Advocacy🔄 Organizational Change💡 Design Thinking
Tested Advertising Methods
by John Caples • 1980
Half your ad is the headline. The direct-mail pioneer's test-proven formula.
4.23
1k+
✍️ Advertising Copywriting📬 Direct Response Marketing🔬 Scientific Advertising
Tested Advertising Methods Summary
Tested Advertising Methods 86%
Half your ad is the headline. The direct-mail pioneer's test-proven formula.
by John Caples 1980
4.23
1k+ ratings
✍️ Advertising Copywriting📬 Direct Response Marketing🔬 Scientific Advertising
Think Like a UX Researcher
by David Travis • 2019
Observation beats opinion. How to run UX research that actually drives business decisions.
4.57
329
🧪 Design Research🔍 Usability Testing👁️ Behavioral Observation
Think Like a UX Researcher Summary
Think Like a UX Researcher 86%
Observation beats opinion. How to run UX research that actually drives business decisions.
by David Travis 2019
4.57
329 ratings
🧪 Design Research🔍 Usability Testing👁️ Behavioral Observation
Sprint
by Jake Knapp • 2016
The five-day sprint that replaces endless debate with sketch, decide, prototype, and test.
4.18
24k+
🧠 Design Thinking🚀 Lean Startup🛠️ Rapid Prototyping
Sprint Summary
Sprint 86%
The five-day sprint that replaces endless debate with sketch, decide, prototype, and test.
by Jake Knapp 2016
4.18
24k+ ratings
🧠 Design Thinking🚀 Lean Startup🛠️ Rapid Prototyping
Killer Facebook Ads
by Marty Weintraub • 2011
Turn Facebook's social data into a precision ad pipeline that costs less and converts more.
3.63
65
📱 Social Media Marketing🎯 Ad Targeting📈 Campaign Optimization
Killer Facebook Ads Summary
Killer Facebook Ads 86%
Turn Facebook's social data into a precision ad pipeline that costs less and converts more.
by Marty Weintraub 2011
3.63
65 ratings
📱 Social Media Marketing🎯 Ad Targeting📈 Campaign Optimization
Continuous Discovery Habits
by Teresa Torres • 2021
Weekly customer interviews mapped to opportunities: the system that ships value, not features.
4.44
5k+
📋 Product Management🔍 Product Discovery🔬 User Research
Continuous Discovery Habits Summary
Continuous Discovery Habits 86%
Weekly customer interviews mapped to opportunities: the system that ships value, not features.
by Teresa Torres 2021
4.44
5k+ ratings
📋 Product Management🔍 Product Discovery🔬 User Research
Debugging
by David J. Agans • 2002
Learn to debug like a detective: reproduce the crime, divide the scene, and never guess.
4.26
509
🐛 Debugging🎯 Root Cause Analysis⚙️ Engineering Mindset
Debugging Summary
Debugging 86%
Learn to debug like a detective: reproduce the crime, divide the scene, and never guess.
by David J. Agans 2002
4.26
509 ratings
🐛 Debugging🎯 Root Cause Analysis⚙️ Engineering Mindset
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