# Designing High-Impact Experiments | Amplitude

Learn insights and learnings from over 20,000 A/B tests, such as the most common mistakes made when running experiments and what the most effective experiments all had in common.

Source: https://amplitude.com/en-us/designing-high-impact-experiments

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From DoWhatWorks and Amplitude

# Designing High-Impact Experiments

Insights from 20,000 A/B Tests

## Watch on-demand

Learn insights from over 20,000 A/B tests, such as the most common mistakes made when running experiments and what the most effective experiments all had in common.

**About DoWhatWorks**: [DoWhatWorks](https://www.dowhatworks.io/) helps you get better results from your website. Our patented technology detects and analyzes growth experiments from every brand. This lets you see results from over 20,0000 individual tests and receive evidence-based guidance to help you win more, faster, with less wasted effort.

**Learn more about each test: **[Audible](https://app.dowhatworks.io/view/amplitudeexampleaudible_cd892cc5-d8f7-450d-aa08-46fb29357a25), [Nutrisystem](https://app.dowhatworks.io/view/amplitudeexamplenutrisystem_dd40eb75-96ac-4d88-ad6d-3d632d12b95d), [Starz](https://app.dowhatworks.io/view/amplitudeexamplestarz_dc5a3750-6a01-4358-88da-79b11a0def73), [Netflix](https://app.dowhatworks.io/view/amplitudeexamplenetflix_819e7881-1d35-4863-aa76-e4726ec1cd42), [Harry’s](https://app.dowhatworks.io/view/amplitudeexampleharrys_939049c7-fa4d-44a4-862b-e8526bf29f4b), [Apple Music](https://app.dowhatworks.io/view/amplitudeexampleapple_a7b72598-f804-47a9-a9f3-7782042d44a7), [SiriusXM](https://app.dowhatworks.io/view/amplitudeexamplesiriusxm_adc83733-ed45-4904-9a75-0e157ab8608c), [Peloton](https://app.dowhatworks.io/view/amplitudeexamplepeloton_a6066f3d-bca9-487f-a7a6-3c1d6c608361), [HBO Max](https://app.dowhatworks.io/view/amplitudeexamplemax_b8fd37ff-a7f8-471d-b3bc-31548da63256), [WSJ](https://app.dowhatworks.io/view/amplitudeexamplewsj_28f16647-e275-4e7c-b209-9aac085adc85), [Gousto](https://app.dowhatworks.io/view/amplitudeexamplegousto_74e77f73-f931-40c7-bac4-800764a37de7), [Spotify](https://app.dowhatworks.io/view/amplitudeexamplespotify_450dcfe0-27a9-4c0d-b4ed-dff85e4f4b05), [Indiegogo](https://app.dowhatworks.io/view/amplitudeexampleindiegogo_fd7e47f7-a74e-4867-a859-e6e3406bd93f), [Princess Polly](https://app.dowhatworks.io/view/amplitudeexampleprincesspolly_1f12806d-730f-4430-948e-848aa74ca1f6), and [Uber Eats](https://app.dowhatworks.io/view/amplitudeexampleubereats_9fd5ef2f-cc2b-47ca-9f37-bf0f8a1e2bc4)

## Learn more about experimentation

[](/resources/feature-experimentation-guide)

Your Guide to Scaling Feature Experimentation

Learn how to run tests like the best with proven experiment insights from product experts.

[Get the guide](/resources/feature-experimentation-guide)

[](https://amplitude.com/resources/b2b-saas-experimentation)

Design High-Impact B2B SaaS Experiments

Get proven B2B SaaS experimentation strategies to drive conversion and fuel growth.

[Read Now](https://amplitude.com/resources/b2b-saas-experimentation)

[](/resources/web-experimentation)

Web Experimentation and the Science of Conversion Rate Optimization

Learn to build web tests that move the needle and scale your experimentation program.

[Get the guide](/resources/web-experimentation)