Intermediate · Data & AI

A/B Testing & Experimentation

Design, run and read experiments you can defend in a review — significance, power, and the traps that fool smart teams.

6 chapters18 lessons2 hr 40 min18 quick checks

How this course works

The chapters and lessons below are the fixed course structure. When you start, LearnLive teaches each lesson interactively and adapts examples, pacing, and questions to you.

Complete syllabus

Every chapter and lesson

  1. 01

    Chapter 1 · 3 lessons

    Why Experiment at All

    1. 1.1

      Correlation vs. causation

      9 min · Quick check

    2. 1.2

      What an A/B test really is

      9 min · Quick check

    3. 1.3

      When not to A/B test

      8 min · Quick check

  2. 02

    Chapter 2 · 3 lessons

    Designing a Clean Test

    1. 2.1

      Hypotheses & success metrics

      9 min · Quick check

    2. 2.2

      Randomisation & assignment

      9 min · Quick check

    3. 2.3

      Guardrail metrics

      8 min · Quick check

  3. 03

    Chapter 3 · 3 lessons

    Sample Size & Power

    1. 3.1

      Effect size & MDE

      9 min · Quick check

    2. 3.2

      Statistical power

      9 min · Quick check

    3. 3.3

      Calculating sample size

      9 min · Quick check

  4. 04

    Chapter 4 · 3 lessons

    Reading the Results

    1. 4.1

      p-values, the honest version

      9 min · Quick check

    2. 4.2

      Confidence intervals

      9 min · Quick check

    3. 4.3

      Significance vs. importance

      9 min · Quick check

  5. 05

    Chapter 5 · 3 lessons

    Traps That Fool Smart Teams

    1. 5.1

      Peeking & early stopping

      9 min · Quick check

    2. 5.2

      Multiple comparisons

      9 min · Quick check

    3. 5.3

      Novelty & sample-ratio bias

      9 min · Quick check

  6. 06

    Chapter 6 · 3 lessons

    From Result to Decision

    1. 6.1

      Segmenting results

      9 min · Quick check

    2. 6.2

      Writing the readout

      9 min · Quick check

    3. 6.3

      Ship, iterate or kill

      9 min · Quick check

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