Stop 14 · Build Your PM PortfolioProjects · 6/7

Prioritization Case Study

Part of the Product Management Roadmap

In short

Every PM interview eventually asks how you decide what to build first. A written prioritisation case study lets you show that reasoning before they even ask.

Given a realistic backlog of competing ideas and limited resources, show your reasoning for what you'd build first and why — the artifact most directly relevant to actual PM interviews.

The purple blob holds an envelope and looks at a gift box, a phone and a piggy bank.

Think of it like this

Your first salary

Your first salary arrives. Rent, a gift for your mother, a new phone, savings. You can't do everything this month. You weigh what matters most, what can wait, and what happens if you skip something. Then you explain your choice to your family without a fight.

Watch it happen

Scoring a backlog with RICE

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1/6Five ideas, one quarter, a team that can build two. RICE scores Reach, Impact, Confidence and Effort.

The big ideas

What you need to know

Start from a goal

State the goal first. Priorities only make sense against something you're trying to move.

Use a framework

RICE, impact vs effort or similar give structure. Show your scores openly.

Then use judgment

Explain where you overrode the scores and why, like a strategic bet or a dependency.

Say what you won't do

A clear not-now list, with reasons, is half the value.

See it in code

A tiny example

excel
1=B2*C2*D2/E22=RANK(F2, $F$2:$F$6)

With Reach in B, Impact in C, Confidence in D and Effort in E, the first formula gives the RICE score in F. The second ranks it against the other ideas.

Save yourself the pain

Common mistakes

Oops

Letting the spreadsheet decide everything.

Do this instead

Use scores as input, then explain your judgment in words.

Oops

Inventing very precise numbers to look rigorous.

Do this instead

Use rough, honest estimates and say how confident you are in each.

Your mission

First milestone: the scored backlog

~35 min

Quick check

Your RICE scores put a feature third, but it unblocks two others. What should you do?

Go deeper

  1. 1Construct 5-6 competing feature ideas with rough effort and impact estimates.
  2. 2Apply a framework (RICE or similar) but explain where your judgment overrides the raw score.
  3. 3Be ready to defend your #1 choice against a plausible counter-argument.

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