5 entries · 10-question category quiz
Adjacent Disciplines
Tools from business strategy and behavioural science that PMMs use to inform decisions other functions own.
Start with your question
Recommend where to invest across a portfolio
BCG Growth-Share Matrix →
A portfolio map that shows which products fund growth and which need a decision.
Frame a growth direction for leadership
Ansoff Matrix →
A named growth direction with its risk level made explicit.
Judge whether a market is worth entering
Porter's Five Forces →
A structured read of a market's profit potential and the forces that threaten it.
The complete topic
All 5 entries
BCG Growth-Share Matrix
Use this when leadership is deciding where to invest, hold or cut across a portfolio of products or business units.
Ansoff Matrix
Use this when leadership is choosing where the next stage of growth should come from: existing or new products, in existing or new markets.
Porter's Five Forces
Use this when you need to judge how attractive and profitable a market is before entering it, or explain why margins in your market are under pressure.
Business Model Canvas
Use this when leadership is designing, explaining or changing how the business creates, delivers and captures value, and PMM needs to see where its work fits.
Cialdini's Principles of Persuasion
Use this when you are reviewing messaging, proof or a buying journey and want to check which levers of influence it uses and which it misses.
Adjacent Disciplines: put it into practice
Ten scenarios to help you choose the right method and recognise when to use it.
10 practical scenarios. Choose an answer, explore the reasoning, and revisit the guide whenever you need.