Sample size

Calculate how many users you need in experiments to detect meaningful differences and avoid declaring winners prematurely based on insufficient data.

Sample size

Sample size

definition

Introduction

Why it matters

How to apply it

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Growth orchestration

The cockpit that sits above your four growth engines. Individual teams can excel at their own metrics, but without orchestration they're musicians playing different songs. This is where everything comes together and where improvements in one engine amplify gains in another.

Explore playbooks

Growth team tools

Growth team tools

The wrong tools create friction. The right ones multiply your output without adding complexity. These are the tools I recommend for growth teams that move fast.

Compound growth

Compound growth

Small improvements multiply. A 10% gain across twelve metrics doesn't add up to 120% - it compounds to 3x growth. This is the mathematical engine behind systematic growth.

Growth strategy

Growth strategy

Four decisions that shape everything else. When growth feels harder than it should, the problem is usually here. Get these right and execution becomes much easier.

Growth rhythms

Growth rhythms

Without rhythm, effort becomes scattered and progress invisible. A consistent operating cadence keeps your team aligned and your growth system continuously improving.

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4

Analysing and acting on results

Statistical significance is just the beginning. Learn how to interpret results correctly, avoid false positives, and turn winning experiments into permanent improvements across your growth engines.

Wiki

Value proposition

Articulate the specific outcome customers get from your solution to communicate why they should choose you over doing nothing or using alternatives.

Event tracking

Capture specific user actions in your product or website to understand behaviour patterns and measure whether changes improve outcomes or create friction.

Multi-touch attribution

Distribute conversion credit across multiple touchpoints to recognise that customer journeys involve many interactions and channels working together.

Sales tech stack

Assemble tools that manage pipeline, automate outreach, and track performance to help reps sell more efficiently and managers forecast accurately.

Contact management

Organise customer and prospect information to track relationships, communication history, and next steps without losing context or duplicating effort.

Positioning statement

Define how you're different from alternatives in a way that matters to customers to guide all messaging and ensure consistent market perception.

Buyer persona

Document your ideal customer's role, goals, and challenges to tailor messaging and prioritise features that solve real problems they actually pay for.

Monthly Recurring Revenue (MRR)

Track predictable monthly subscription revenue to monitor short-term growth trends and make faster decisions than waiting for annual revenue reports.

Standard Operating Procedure (SOP)

Document your repeatable processes in clear, step-by-step instructions that ensure consistency, enable delegation, and capture institutional knowledge.

Drip campaign

Send a series of scheduled emails that educate prospects over time to stay top-of-mind without overwhelming them with aggressive sales pitches.

Prioritisation

Systematically rank projects and opportunities using objective frameworks, ensuring scarce resources flow to highest-impact work.

Sales qualified lead velocity

Track how fast your pipeline of ready-to-buy leads grows to forecast sales capacity needs and spot when lead quality or sales efficiency changes.

First-touch attribution

Credit the channel that introduced prospects to your brand to measure awareness efforts and understand which top-of-funnel activities start customer journeys.

Conversion tracking

Measure which marketing activities drive desired outcomes to allocate budget toward channels that actually generate revenue instead of vanity metrics.

Growth marketing

Apply disciplined experimentation across the entire customer lifecycle, optimising every stage through rapid testing and data-driven iteration.

OMTM (One Metric That Matters)

Focus your entire organisation on the single metric that best predicts success at your current growth stage, avoiding distraction and misalignment.

Product-market fit

Achieve the state where your product solves a genuine, urgent problem for a defined market that's willing to pay and actively pulling your solution in.

Constraint

Identify and leverage limitations as forcing functions that drive creative problem-solving and strategic focus.

Growth lever

Focus resources on high-impact business mechanisms where small improvements generate disproportionate results across the entire customer journey.

Statistical significance

Determine whether experiment results reflect real differences or random chance to avoid making expensive decisions based on noise instead of signal.