Week 2 · learning day 1
Personas and customer needs
Product Development Process · 45–60 minutes
Today’s outcomes
- Explain personas and customer needs in the context of product development process.
- Frame a product decision using the source outcome rather than intuition alone.
- Produce a reusable section of a discovery brief.
Source trace
W02-O01Describe customer or user personas and explain the importance of understanding customer needs in an effective product development process.W02-O06Distinguish products, understand types of new products, and factors impacting their success and failure, including NPD process speed decisions and the use of marketing research.
Core lesson
Make the choice inspectable
Personas and customer needs matters when it changes a real allocation of attention, money, time, or delivery capacity. Move from observed need to tested value through explicit learning steps.
Start by naming the decision and the uncertainty around it. Separate evidence from assumptions, compare at least one alternative, and state what would make you revise the choice.
The source outcome for today is: Describe customer or user personas and explain the importance of understanding customer needs in an effective product development process. Distinguish products, understand types of new products, and factors impacting their success and failure, including NPD process speed decisions and the use of marketing research.
What decision will personas and customer needs improve, what evidence is sufficient for that decision, and what is the cost of being wrong?
Worked example
Personas and customer needs in practice
For a medication-adherence app for working adults, the product manager must frame a choice about personas and customer needs. The team records the target user and outcome, the evidence currently available, the strongest alternative, and the next reversible test. The recommendation is written as a choice with a reason—not as a list of features.
Do the work · 20 minutes
Turn the idea into a decision
- Choose a product you know and write the specific decision that personas and customer needs should support.
- List two pieces of evidence, two assumptions, and one credible alternative.
- Make a recommendation in three sentences and add one condition that would change it.
Save to your portfolio
A discovery brief — section: Personas and customer needs
Knowledge check
Answer before opening
What is the decision at the centre of personas and customer needs?
A good answer names an accountable choice, not merely an activity or output.
How should evidence and assumptions be separated?
Label observed facts, interpretations, and untested beliefs explicitly so the next learning step is visible.
What makes the recommendation revisable?
It includes a trigger, threshold, or new evidence that would justify changing course.
What should the portfolio artefact communicate?
The context, considered alternatives, chosen direction, rationale, evidence, and remaining risk.
Spaced review
Reconnect the learning
Reflection