Confidence Bootcamp
The Confidence Bootcamp is a free, self-paced curriculum of 11 courses covering A/B testing, feature flags, metrics design, and statistical methods for experimentation — built by the Confidence team at Spotify, where tens of thousands of experiments run each year.
Your learning progress
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Courses
Intro to Experimentation
12 lessons2–3 hours
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Intro to Metrics
10 lessons1.5–2 hours
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Scientific Product Development
9 lessons2–3 hours
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Advance Your Experimentation
4 lessons1–2 hours
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A Primer on Hypothesis Testing
6 lessons1.5–2 hours
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Experimentation Culture
3 lessons30 min
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Intro to Feature Flags
4 lessons2 hours
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Sample Size Calculation I
4 lessons2 hours
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Sample Size Calculation II
5 lessons2 hours
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Sample Size Calculation III
4 lessons2 hours
Start Course
Frequently Asked Questions
Who is the Confidence Bootcamp for?
The bootcamp is designed for anyone who wants to improve their experimentation skills. Courses are tailored for data scientists, analysts, engineers, product managers, and leaders — whether you are running your first A/B test or scaling an experimentation program across your organization.
Is the bootcamp free?
Yes, the Confidence Bootcamp is completely free. All 11 courses, 90+ lessons, and resources are available at no cost. You can start learning immediately without creating an account, though signing in lets you track your progress across devices.
What will I learn?
The bootcamp covers the full experimentation lifecycle: A/B testing fundamentals, hypothesis formulation, interpreting experiment results, metrics design, sample size calculation, feature flags, and building an experimentation culture. It includes 11 courses with over 90 lessons built by the Confidence team at Spotify.
How long does the bootcamp take to complete?
The full bootcamp takes approximately 20 hours to complete across all 11 courses. Individual courses range from 30 minutes to 3 hours. You can learn at your own pace and pick the courses most relevant to your role.
Do I need prior experience with A/B testing or statistics?
No prior experience is required. The bootcamp starts with foundational courses like Intro to Experimentation and progressively covers more advanced topics like sequential testing and variance reduction. Each course clearly indicates which roles it is designed for.
Who created the Confidence Bootcamp?
The Confidence Bootcamp was created by the Confidence team at Spotify, the same team that builds the experimentation and feature flagging platform used across Spotify. The content reflects real-world experimentation practices used at one of the world's largest digital products.
Read more about why we made the bootcamp free, the ROI of experimentation, and how to experiment like Spotify. Browse the glossary for key terms, read the documentation to start using Confidence, or see pricing when you are ready to run your own experiments.